Friday 7 June 2019

Chromosomal Defects - Ophthalmology



1p: Schnyder’s crystalline corneal dystrophy
1p: Stargardt’s/fundus flavimaculatus
1q: juvenile OAG (AD)
2q: AR Alport’s
2q: Oguchi’s disease
3p: Von Hippel Lindau
3q: CSNB (rhodopsin)
3q: RP (AR & AD) (rhodopsin)
3q: Dominant (Kjer) optic atrophy
3q: blepharophimosis syndrome
4q25: Axenfeld-Rieger’s syndrome (“Rieg” gene) AD
4q25: Iridogoniodysgenesis syndrome (Rieger’s?)
a.k.a. iris hypoplasia (not aniridia)
5q31: granular/lattice/Avellino/Reis B?
6p: RP-AD (RDS/peripherin)
6p11: retinal macular dystrophy? (RDS/periph.)
6p11: retinitis punctata albescens (RDS/periph.)
6p25: iridogoniodysgenesis anomaly
6q14: North Carolina macular dystrophy
6q14: PBCRA - progr. bilat. chorioret. atrophy
9q: Tuberous sceposis
10q: gyrate atrophy
11p13: aniridia (PAX6)
11p13: Peter’s anomaly (PAX6)
11q: oculocutaneous albinism (tyrosinase -)
11q: FEVR
11q: Best’s
11q: ataxia-telangiectasia (Louis Bar)
12: cornea plana
12q13: Stickler’s
12q13: Wagner’s
13q14: RB
13: A.D. coloboma
14q: rod monochromacy
14q: oculopharyngeal dystrophy
15q: oculocutaneous albinism (tyrosinase +)
15q: Marfan’s (fibrillin)
16q21: macular dystrophy of cornea
17q11: NF1
17p: central areolar choroidal dystrophy
17p: Leber’s congenital amaurosis
20q11: posterior polymorphous dystrophy
21q: homocystinuria (cystathione synthase)
22q12: NF2
22q: Sorsby’s dystrophy

Autosomal Dominant Disorders
A) Anterior segment
i) corneal dystrophies
1) post. embryotoxon
2) M-D-F
3) Reis Buckler’s
4) gelatinous droplike dystrophy (amyloid)
5) Lattice/Granular
6) cornea farinata
7) Meesman’s dystrophy
8) Schnyder’s central crystalline dystrophy
9) CHSD
10) fleck dystrophy
11) posterior amorphous stromal dystrophy
12) Fuch’s endoth. dystrophy
13) Posp. Polym. dystrophy - some
14) CHED - some (progressive)
ii) other
1) aniridia (2/3)
2) Axenfeld-Rieger’s (75%)
3) sclerocornea
4) simple ectopia lentis
5) blepharophimosis syndrome
6) seborrheic keratosis
7) basal cell nevus syndrome
8) juvenile onset glaucoma - some
9) cong. cataracts - some
10) cornea plana - some
11) keratoglubus - some
12) microcornea - some
13) megalocornea - some
B) Posterior segment
1) Most phacomatosis (NF, TS, VHL)
2) fleck dystrophy
3) RP - some - 22%
4) FEVR
5) Sorsby’s
6) North Carolina dystrophy
7) Wagner’s
8) Stickler’s
9) familial drusen - common
10) disc drusen
11) central areolar choroidal dystrophy
12) Best’s - incomplete penetrance - common
13) coloboma - some
14) Tritanopia/ tritanomolous
C) Plastics
1) congenital fibrosis syndrome - some
2) euryblepharon - some
3) Apert’s
4) Crouzon’s
5) Treacher Collins (Kanski)
6) Goldenhar’s (Kanski)
D) Systemic
1) osteogenesis imperfecta
2) Marfan’s
3) Alport’s - rare
4) Gardner’s
5) myotonic dystrophy
6) Waardenburg’s

Autosomal Recessive Disorders
A) Anterior segment
1) cornea plana
2) congenital glaucoma
3) macular dystrophy
4) sclerocornea
5) lipoid proteinosis
6) ectopia lentis et pupillae
7) post polymorphous dystrophy
8) CHED - some (non-progressive)
9) keratoglobus - some
10) cong. cataracts - some
11) megalocornea - rare
B) Posterior segment
1) RP - some - 10%
2) ocular albism - some
3) Goldman Favre
4) uveal coloboma - some
5) Bietti’s crystalline dystrophy
6) Leber’s congenital amaurosis
7) Oguchi’s disease
8) oculocutaneous albinism
9) Stargardt’s
10) rod monochromatism
C) Plastics
1) congenital fibrosis syndrome - some
D) Systemic
1) Wilson’s disease
2) ochronosis - alkaptonuria
3) Cockayne syndrome
4) xeroderma pigmentosum
5) ataxia-telangiectasia
6) Weill Marchesani (1 parent usually short -carrier)
7) cystinosis
8) tyrosinemia
9) homocysteinuria
10) Alport - rare
11) oculocutaneous albinism
12) abetalipoproteinemia

X-linked disorders - underlined were on exam
A) Anterior segment
1) megalocornea - most
2) cong. cataracts - some
B) Posterior Segment
1) choroideremia (geranygeranyl transferase)
2) congenital stationary night blindness - some
3) blue cone monochromatism (Xq28)
4) Norrie’s disease
5) red or green color deficiencies
6) juvenile retinoschisis
7) ocular albinism (“Nettleship Falls”)
7) Aicardi’s
8) primary retinal dysplasia - some (same gene as Norrie’s)
9) FEVR - some (same gene as Norrie’s)
10) cone dystrophy - some
C) Systemic
1) RP (some) - worst
2) ocular albinism (Nettleship-Falls type)
3) Lowe’s (oculocerebral)
4) Fabry’s
5) incontinentia pigmenti (woman only; males lethal)
6) M.L.S. (microphthalmia with linear skin defects)
7) Alport - some; XL dominant
8) Nance Horan
9) Hunter’s

Sporadic disorders
A) Anterior Segment
1) ICE syndrome
2) Peter’s
3) cong. cataracts - 60%
4) post. lenticonus
5) aniridia - 1/3
6) sclerocornea (50%)
7) Axenfeld-Rieger’s (some)
8) Fuch’s endoth. dystrophy - some
B) Posterior Segment
1) RP
2) Wyburn Mason (racemose angiomatosis)
C) Plastics
1) congenital fibrosis syndrome - some
2) euryblepharon - some
D) Posterior Segment
1) Sturge Weber
2) Prader Willi

Mitochondrial inherited
1) MERRF (myoclonus, epilepsy, ragged red fibers)
2) MELAS (mitochondrial encephalopathy, lactic acidosis, )
3) Leber’s optic neuropathy (11778)
4) Kearns syndrome / CPEO
5) Leigh’s

Multiple chromosome Defects
1) Bardet-Biedl (AR RP): 11q, 16q, 3q, 15q:
2) Waardenburg: 2q, 3p, 11p13 (PAX3)
3) congenital cataracts: 1p, 1q, 2q, 16q, 17p,
17q, 22q
4) congenital glaucoma: 2p, 1p,
5) Stickler’s: 6p, 12q
6) ARRP: 1q, 3q, 4p, 6p, 11q
7) ADRP: 3q
8) sporadic RP: 6p, 7p, 7q, 8q, 17p, 1p, 17q, 19q
9) Usher’s: 1q, 3q, 10q, 11p, 11q, 14q, 21q
10) cone rod dystrophy: 18q, 19q
11) congenital fibrosis of the EOM’s: 12, 7p

Enzyme deficiencies or gene anomalies
1) choroideremia: geranygeranyl transferase
2) gyrate atrophy: ornithine aminotransferase
3) galactosemia: gal-1-P uridyl transferase, (classic), galactokinase, galactose epimerase
4) RP: rhodopsin, peripherin, PDE, ROM1
5) retinitis punctata albescens, RP: peripherin
6) Marfan’s, ectopia lentis: fibrillin
7) Norrie’s, XL FEVR, XL retinal dysplasia: norrin
8) Von Hipple: novel mb protein
9) oculocutaneous albinism (tyr-): tyrosinase
10) Oguchi’s: arrestin, PDE
11) CSNB - some: rhodopsin
12) NF1: neurofibromin
13) NF2: Schwannomin
14) Ochronosis (alkaptonuria): homogentisc acid oxidase (homogentisic acid is interm. in
breakdown of tyrosine)
15) Wagner’s, Stickler’s: collagen type II
16) Fabry’s: alpha galactosidase
17) Sorsby dystrophy: metalloproteinase inhibitor
18) homocysteinuria: cystathione synthase

Cone locations
1) Red cone pigment: Xq28,
2) Green cone pigment: Xq28
3) Blue cone pigment: 7q31

Treatable systemic diseases with retinopathy
1) gyrate atrophy
Dx: increased ornithine
Tx:: diet
2) cobalamin C defects
Dx: homocystine in urine?
Tx: hydroxycobalamin
3) abetalipoproteinemia
Dx: low serum lipids
Tx: Rx: Vit A and E
4) cystinosis
Tx:: cysteamine
5) mucopolysaccharidosis
Tx: bone marrow transplant
6) Refsum’s disease
Dx: increased phytanic acid
Tx: plasmaphoresis
7) osteopetrosis
Tx: B.M.T.
8) Alagille syndrome
Tx: Vit A and E
9) syphilis
Tx: Penicillin
10) Vit A deficiency
Tx: Vit A
11) cancer
12) oxalosis
Tx: pyridoxine (B6)
13) Cogan’s syndrome
Tx: Immunosuppressants
14) hypercalcuria
Tx: treat kidney stones
15) homocystinuria
Tx: pyridoxine, diet, ASA

HLA associations
A29: birdshot retinochoroidopathy
B5: Behcet’s (Bw51 subset)
B7: POHS
B8: ant. uveitis in blacks, primary Sjogren’s
syndrome
B27: ant. uvieitis with IBD, AS, psoriasis, Reiter’s
Bw54: Posner-Schlossman, VKH
DR2: MS, POHS
DR3: Thygeson’s, Sjogren’s
DR4: OCP, VKH
DR5: pauciarticular JRA

Sex Ratios of eye diseases
Disorders more common in women
A) Autoimmune conditions
1) SLE
2) Graves’ (4:1)
3) Hashimoto’s
4) RA
5) DM type I
6) polymyositis
7) primary Sjogren’s syndrome (9:1)
8) SLK
9) optic neuritis
10) scleritis
11) erythema multiforme (SJ)
12) pemphigoid (2:1)
13) sarcoidosis (2:1)
14) OCP (2:1)
B) Retinal conditions
1) macular hole (3:1)
2) epiretinal membranes
3) ARMD
4) acute macular neuroretinopathy
5) MEWDS (4:1)
C) Anterior segment
1) dry eyes
2) ICE syndromes
3) post. keratoconus
4) blepharitis
5) M-D-F
6) blepharochalasis
7) sebaceous cell carcinoma (2:1)
8) Salzmann’s nodular degeneration
9) PACG
10) xanthelasma
11) chronic iridocyclitis (of young girls)
D) Neuro
1) morning glory disc (2:1)
2) idiopathic intracranial hypertension
3) meningioma (3:1)
4) CVA
5) essential blepharospasm
6) Duane’s (2:1)
E) Orbit/plastics
1) capillary hemangioma (2:1)
2) NLD obstruction (2:1)
3) fibrous dysplasia
4) cavernous hemangioma

Disorders more common in men
A) anterior segment
1) Mooren’s ulcer
2) spheroidal degeneration
3) anterior lenticonus
4) pigment dispersion
5) vernal
6) Reiter’s (90%)
B) Retina
1) Coat’s (retinal telangiectasia)
2) Eales’ (primary idiopathic retinal vasculitis)
3) idiopathic juxtafoveal telangiectasia (type 1)
4) Leber’s (90%)
C) Neuro
1) medullated nerve fibers
2) Behr’s optic atrophy
3) glioblastoma (optic nerve)
4) oculomotor apraxia
5) CPEO
D) Other
1) traumatic eye disease (all)
2) pleomorphic adenoma (benign mixed)
3) primary systemic amyloidosis

Disorders more common in blacks
1) sarcoid
2) limbal vernal
3) COAG
4) racial melanosis
5) tyrosinase positive oculocutaneous albinism
6) nevus of Ota
7) SCA

Disorders more common in Asians
1) vernal
2) VKH
3) Behcet’s
4) racial melanosis
5) Nevus of Ota

Diseases more common in whites
1) ARMD
2) BCC, SCC, melanoma of skin
3) uveal melanoma in nevus of ota

Syndromes with Eye Findings
Abetalipoproteinemia
(Bassen-Kornzweig Syndrome)
- AR
1) abetalipoproteinemia
2) malabsorption of fat
3) acanthocytosis (crenated RBC’s)
4) ataxia, neuropathy
5) retinitis pigmentosa
6) cardiac myopathy
7) angioid streaks (rare)
8) retinopathy can be arrested by vitamin E supplements
Aicardi’s
1) XL dominant (females only)
2) MR
3) agenesis of corpus callosum
4) large round depigmented chorioretrinal lesions
5) optic head colobomas

AIDS
new CDC HIV definition
1) HIV+
and any of the following:
1) CD<200
2) TB
3) cervical CA
4) recurrent pneumonia
Eye findings
1) lids
a) Kaposi's
b) HSV & HZV
c) HPV
d) molluscum
2) conjunctiva
a) Kaposi's
b) CMV, HSV, HZV
3) cornea
a) HSV, HZV, Candida
b) microsporidia
4) iris
a) toxo iritis
5) retina
I) Infectious
a) CMV
b) ARN: HSV, HZV
c) toxo
d) candida
e) syphilis
II) non-infectious
a) CWS
b) hemorrhages
c) IRMA
d) ischemic maculopathy
6) choroid
a) PCP
b) MAI
c) Candida
d) Toxo
7) vitreous
a) bacterial endophthalmitis
8) optic nerve
a) CMV
b) syphilis
c) optic atrophy (CNS cryptococcus)
9) orbit
a) Kaposi’s
b) Burkitt’s
10) neuro
a) cranial nerve palsies

Albinism - Oculocutaneous
A) Tyrosinase negative
1) AR
2) path: no melanin pigment seen at all
3) no pigment in skin or eye (oculo-cautaneous)
4) iris transillumination
5) acuity < 20/100
6) nystagmus
7) strabismus
8) photophobia
9) foveal hypoplasia (no foveal pit)
10) increased or decreased crossing? at chiasm
11) high refractive errors
B) Tyrosinase positive
1) AR
2) path: normal # of pigment granules, decreased melanin within the granules; see
macromelanosomes in Chediak-Higashi type
3) associated with various syndromes (Chediak Hegashi, Hermanski Pudlak)
4) ocular findings similar to tyrosinase negative but not as severe
5) skin findings more variable
6) more common in blacks

Albinism - Ocular(“Nettleship Falls”)
1) X-linked
2) path: macromelanosomes (classic) – large pigment granules
3) poor acuity
4) nystagmus
5) photophobia
6) foveal hypoplasia
7) iris: “cartwheel transillumination”
Carriers of X-limnked albinism
1) pigment changes in iris
2) fundus pigment changes
3) macromelanosomes on path
4) ? light hair
Albinoidism
1) normal acuity (or slight decrease)
2) normal fovea
Alport Syndrome
- X-linked dominant (80%); AD and AR described
1) hereditary nephritis
2) deafness
3) platelet anomalies
Ocular
1) anterior lenticonus +/- ant. polar cataract
2) post. lenticonus (less common) +/- PSCC
3) spherophakia
4) retinal stippling

Ankylosing Spondylitis HLA –B 27
1) iritis
2) sacroilitis
3) lung apex fibrosis
4) aortitis (5%)
Apert's syndrome
A) Ocular
1) strabismus
2) optic atrophy
3) exposure
4) anti-mongoloid slant
B) Systemic
1) craniosynostosis
2) syndactyly of hands (“mitten hands”)
3) raised intracranial pressure
4) congenital heart disease
5) MR in 1/3
6) lung
7) kidney
Behcet’s diagnosis (painful) NON
Complete: - 4 main Sx.
Incomplete
a) 3 main Sx.
or b) recurrent eye disease + 1 main
Suspect: 2 major (not eyes)
Possible: 1 major
main signs:.
1) aphthous ulcers
2) genital ulcers
3) eye lesions
4) skin lesions
A) Anterior Segment
1) anterior uveitis
2) fine KP’s (upper cornea)
3) can have mutton fat KP’s
4) hypopyon
B) Posterior segment
1) retinal vasculitis
2) retinal hemorrhages
3) macular edema
4) retinal necrosis
5) AION
6) vitiritis
B) Skin lesions
1) erythema nodosa
2) acne
3) hypersensitivity
C) Other features
1) arthropathy
2) CNS involvement (meningismus, CVA’s, palsies, confusion): 25%
3) GI lesions
4) occlusive b.v. disease
5) aneurysm formation
6) epididymitis
7) thrombophlebitis
Behr’s optic atrophy
1) M > F
2) AR
3) increased DTR
4) ataxia
5) MR
6) hypotonia
7) external ophthalmoplegia
8) visual acuity ?
CHARGE
1) coloboma
2) heart disease
3) choanal atrasia
4) mental retardation
5) genital hypoplasia
6) ear anomalies (deafness)
Cockayne syndrome
- AR
A) Ocular
1) band keratopathy
2) lens: cataracts
3) iris hypoplasia poor dilation (characteristic)
4) pigmentary retinopathy
5) strabismus
6) nystagmus
7) optic atrophy
8) enophthalmos
9) hyperopia
B) Systemic
1) bird like facies
2) cachexia
3) growth retardation
4) CNS: MR, seizures
5) deafness
Congenital Rubella
A) systemic
1) congenital heart disease
2) myocarditis
3) pneumonitis
4) hepatosplenomegaly
5) jaundice
6) thrombocytopenic purpura
7) microcephaly
8) MR
9) deafness
10) encephalitis
B) Ocular
1) vision good (20/20-20/60)
2) normal ERG and EOG, dark adaptation
3) corneal clouding
4) cataracts (20%)
5) angle dysgenesis
6) iris dilator hypoplasia
7) microphthalmia
8) pigment retinopathy Salt and pepper
9) chorioretinitis
10) congenital glaucoma
11) nystagmus
Congenital Syphilis
A) Systemic
1) notched incisors
2) frontal bossing
3) saddle nose
4) saber shins
5) CN 8 deafness
6) rhagades (circumoral lines)
7) MR
B) Ocular
1) deep IK as child or adolescent
2) active IK may have salmon patch appearance
3) KP’s during active IK
4) bilat in 80% (acquired unilateral in 60%)
Cogan’s syndrome
- young adult
- URTI 1-2 weeks prior to symptoms
A) Systemic
1) verigo
2) tinnitus
3) hearing loss
4) systemic vasculitis (PAN)
B) Ocular
1) patchy IK
treatment: topical and systemic steroids
Crouzon's disease - AD
A) Ocular
1) proptosis - exposure keratopathy
2) hypertelorism
3) exophthalmos
4) strabismus (V pattern XT most common)
5) papilledema
6) optic atrophy
B) Systemic
1) craniosynostosis
2) hypoplastic mandible
3) respiration abnormal
C) Emergencies
1) globe dislocation: lift lid over globe to treat
2) exposure: tarsorraphy needed
3) papilledema from increased ICP and ON compression?
Cystinosis - AR
- high intracellular cystine
- plasma levels normal
- treatment: oral and topical cysteamine
A) Ocular
1) corneal deposits
2) prominentt photophobia
3) conjunctiva deposits
4) iris crystal depoits
5) retinopathy
B) Systemic
1) kidney: causes rickets, renal failure
2) bone marrow deposits
3) WBC’s
4) three forms: infantile, adolescent, adult
De Morsier’s
clinical triad: 1-3
1) short stature
2) ON hypoplasia
3) nystagmus
4) agenesis of corpus callosum
5) panhypopit (hyperglyc, DI, hypothyroid)
6) absence of septum pellucidum
Duane’s
1) F>M 2:1
2) OS>OD 3:2
3) bilateral 10%
4) epibulbar dermoids
5) pre-auricular appendages
6) deafness
7) webbed neck
Fabry’s disease (and other sphingolipidoses) - X-linked
- alpha galactosidase deficiency
- Tay Sachs is also a sphingolipidosis
A) Ocular signs
1) cornea vorticillata
2) spokelike cataracts
3) aneurysmal dilation of conj. veins
4) retina: vessel tortuosity
5) papilledema
6) optic atrophy
B) Systemic
1) skin changes: angiokeratoma
2) myocardial ischemia
3) cardiopulmonary hypertension
4) renal failure
Fetal Alcohol Syndrome - eye findings
1) blepharophimosis
2) ptosis
3) telecanthus
4) anterior segment dysgenesis
5) retinal vascular tortuosity
6) esotropia
7) ON hypoplasia
Floppy eyelid
A) Ocular
1) lax upper tarsus
2) easily everted
3) papillary conjunctivitis
4) mucous D/C
5) keratoconus
6) pannus
7) punctate keratitis
B) Systemic
1) Obese
Gardner’s syndrome (familial polyposis)
1) AD
2) chromosome 5
3) osteomas
4) fibromas
5) dental abnormalities
6) CHRPE - bear tracks
Goldenhar’s
triad: 1-3
- unilateral (80%)
- sometimes AD? (Kanski)
A) Ocular
1) upper lid colobomas
2) antimongoloid slant
3) limbal dermoids
4) decreased corneal sensation
5) Duane’s
B) Systemic
1) vertebral deformities
2) pre-tragus fistulas
3) preauricular appendage
4) deafness
5) large mouth
6) mandibular hypoplasia
Histoplasmosis
1) fever
2) chills
3) cough
4) chest discomfort
5) headache
6) arthralgias and myalgias
7) erythema nodosum
8) erythema multiforme may accompany
9) Healed pulmonary lesions usually resolve completely
10) calcified granulomas may later be seen in lung parenchyma, hilar and mediastinal lymph nodes, and spleen
Homocystinuria
Rx: pyridoxine (B6), diet, ASA
test: sodium nitroprusside
- AR
A) Systemic
1) MR
2) thromboemboli
3) marfanoid habitus
4) arteriosclerosis
** Beware of general anesthesia
B) Ocular
1) lens: sublux
2) retina: pigm. changes
Hyperparathyroidism
1) band keratopathy
2) kidney stones
3) ulcers
Hypoparathyroidism
1) blepharospasm
2) punctate keratitis
3) polychromatic cataract (50%)
4) pannus
5) papilledema (increased ICP)
6) extraosseous calcification
Idiopathic Intracranial HTN
A) Systemic
1) CSF pressure > 250 cm H2O
2) normal CSF chemistry
3) unilateral or bilateral CN 6 palsies
4) 80% women
5) teens - 50s
6) obese
7) headaches
8) normal to small ventricles on CT
B) VF defect
1) blind spot enlargement
2) NFB defects
3) generalized depression
JXG (touton cells)
A) Ocular
1) lesions develop in first 2 years of life
2) lesions resolve in 3-6 years
3) ocular lesions: tens to involve iris or c.b.
4) retina, choroid, conj, sclera, cornea have all had documented lesions
5) glaucoma
6) teatment of complications only (topical steroids, pressure drops, excision)
B) Systemic
1) kidney and liver nodules
2) lesions of face, neck, upper body
Juvenile retinoschisis
A) Ocular
1) peripheral schisis 50%
2) foveal schisis 100%
3) VH
4) macular dragging
5) strabismus
6) nystagmus
7) carriers may show some changes
8) ERG: decreased b wave
9) NFL schisis
10) vitreous veils
11) tritan defect??
JRA
A) Ocular
1) band keratopathy
2) cataracts
3) post. synechia
4) glaucoma
5) uveitis
6) phthisis
Kawasaki Syndrome (infantile PAN)
- systemic steroids contraindicated
- use cycloplegics or mild topical steroid for iritis (synechia have not been reported)
A) Systemic
1) fever
2) skin rash
3) mucous membrane congestion
4) lymphadenopathy
5) systemic vasculitis
6) coronary artery aneurysms
B) Ocular
1) conjunctivitis
2) iritis (mild)
Kearns-Sayre
A) Ocular
1) Pigmentary retinopathy
2) CPEO
B) Systemic
1) ataxia
2) nerve deafness
3) heart block
4) elevated CSF protein
Lateral Medullary syndrome (Wallenberg)
- 80% are post inf. cerebellar artery (PICA)
A) Ipsilateral
1) Horner’s
2) CN 5, 9, 10, 11
3) voice affected (palate); hiccups
4) cerebellar ataxia
B) Contralateral
1) no pain or temp sensation
2) nystagmus
C) Ocular
1) skew?
Ligneous Conjunctivitis
Involves
1) conj (upper > lower)
2) buccal mucosa
3) nasopharynx
4) vagina, cervix
5) middle ear
Leber’s optic atrophy
- bilateral; mito-linked
A) Ocular
1) disc swelling
2) vision loss to 20/200
3) papillary telangiectasia
4) swelling of NFL
5) +/- hemorrhage or exudate
B) Systemic
1) deafness
2) migraine
3) vertigo
4) dementia
Lowe’s syndrme (oculocerebrorenal syndrome)
1) x-linked recessive (males only)
2) female carrier: cortical lens opacities
A) Ocular
1) cornea: keloids
2) lens: cataracts; small, disc shaped lens
3) glaucoma
B) Systemic
1) renal rickets
2) amino aciduria
3) CNS: MR, seizures
4) MSK: growth retarded
Lyme disease
- caused by Borrelia Burgdorferi
A) Ocular
1) conjunctivitis
2) stromal keratitis
3) iritis
4) pars planitis
5) posterior uveitis
6) papilledema
7) cranial nerve palsies
B) Systemic
1) skin rash
2) meningitis
3) cardiac disease
Stages of Lyme Disease
1) first month
- skin: erythema chronicum migrans
- eye: follicular conjunctivitis
- constitutional symptoms
2) 1-4 months after
- neurologic: meningitis
- MSK: arthritis
- cardiac: myocarditis
- ocular: uveitis, keratitis
3) > 5 months
- skin: atrophic skin changes
- ocular: keratitis
- neuro: chronic meningitis
- lungs: ARDS
Malignant Hyperthermia
1) AD or spontaneous
2) 1 per 10000 (higher in kids)
3) triggered by:
i) inhalation anesthetics: halothane, enflurane,
isoflurane
iii) muscle relaxant: succinylcholine
4) first sign:
i) tachycardia (most common)
ii) elevated end tidal CO2
iii) masseter spasm
Marfan’s syndrome (1:20000) 15q
- defect: fibrillin
- Propanolol treatment for heart
- IV ABC’s before surgery
A) Ocular
1) cornea: flat cornea; megalocornea
2) lens: ectopia, spherophakia, earlier age of cataract
3) iris: poor dilation, iridodinesis, atrophy of dilator muscle
4) EOM: strabismus
5) angle: COAG
6) retina: RD’s
B) Systemic
1) aortic root dilatation and aortic aneurysms
2) upper: lower segment increased
3) MV prolapse
4) arachnodactily
5) tall
MEN IIB
1) enlarged corneal nerves
2) dry eyes
3) typical facies
4) Marfenoid habitus
5) submucosal neuromas
6) pheochromocytomas
7) medullary thyroid cancer
MEWDS - described in 1984 (Jampol)
1) unilateral
2) females 4:1
3) outer retina, inner RPE
4) blurred vision, depressed fields
5) mild papillitis
6) may follow flu
7) good outcome (no scars left)
Moebius
nerves: CN 5-10,12 (typically 6 and 7)
1) absence of pectoralis (Poland anomaly)
2) polydactily (extra digits)
3) syndactily
4) tongue defect
5) hypoplastic limbs
6) Pierre Robin sequence
Mucolipidoses
- defect in lysosomes
1) cherry red spot
2) corneal clouding
Mucopolysaccharidosis (AAO cornea p.238)
-defect in carbohydrate metabolism
Ocular findings:
1) corneal clouding (except Hunter’s and S-F)
2) retinopathy
3) optic atrophy
4) papilledema
5) Hurler’s, Scheie’s, Hunter’s, Morquio, Sanfilippo
Myotonic dystrophy (Steinert’s)
- AD; 1 per 30000
A) Ocular
1) ptosis
2) blepharitis
3) christmas tree cataract
4) pigmentary retinopathy
5) pattern dystrophy
6) light near dissociation
7) sluggish (tonic), miotic pupils
8) exodeviations
9) decreased ERG
10) ocular hypotony
B) Systemic
1) baldness
2) testicular atrophy
3) myotonia - don’t release grip
4) MR
5) abnormal cardiac conduction
6) skull abnormalities
Multiple myeloma
A) Anterior segment
1) follicles
2) cornea crystals
3) copper in Descemet’s
4) iridocyclitis
B) Posterior segment
1) pars plana cysts anterior lens displacement
2) stasis retinopathy
3) papilledema
4) NV??
Norrie’s disease:
- x-linked
- bilateral
A) Ocular
1) cornea opacifies
2) cataract develops
3) total retinal detachments
4) retinal dysplasia
5) phthisis by age 10
B) Systemic
4) deafness
5) MR
Ochronosis (1:250000)
A) Ocular
1) scleral pigment (over muscles)
2) peripheral corneal pigment
B) Systemic
1) brown urine
2) skin pigment (axilla, genitals, over cartilage (nose, hands, ribs))
3) joint disease (depos.)
4) kidney disease (depos.)
Ocular Cicatricial Pemphigoid
A) Organs
1) mouth
2) oropharynx
3) genitals
4) anus
5) skin
6) lids
B) Eyes
1) dry eyes
2) loss of goblets
3) shortened fornices
4) symblephera
5) rarely, EOM restriction
6) entropion
7) trichiasis
Olivipontocerebellar atrophy
- hereditary and sporadic forms
1) pigmentary retinopathy
2) CPEO
3) optic atrophy
4) ataxia
5) slurred speech
6) young adults
Osteogenesis Imperfecta (1:20000)
Eye findings
1) blue sclera
2) keratoconus
3) post. embryotoxon
4) megalocornea
5) Saturn ring - whitening of paralimbal sclera
6) papilledema/optic atrophy - from bone compression
Paget’s Disease of Bone
- aka osteitis deformans
- heavily calcified bones
- exuberant osteoclastic reaction with a
secondary osteoblastic response
- an elevated serum alkaline phosphatase
A) Ocular
1) angioid streaks
2) blue sclera
B) Systemic
1) pelvis
2) skull
3) femur
4) humerus
Paraneoplastic Retinopathy
A) Ocular
1) constricted VF
2) decreased night vision
3) photopsia
4) color blindness
B) associated cancers
1) oat cell
2) Hodgkin’s
Parinaud’s dorsal midbrain
A) Findings
1) light-near dissociation
2) lid retraction
3) convergence retraction nystagmus
4) decreased upgaze, later decreased
downgaze
5) papilledema
6) skew deviation
7) impaired convergence?
B) Causes
1) pinealoma
2) hydrocephalus
3) vascular
4) mets
5) astrocytoma
Polyarteritis Nodosa
A) Ocular
1) orbit vasculitis
2) scleritis
3) retinal vasculitis
B) Systemic
Prader Willi syndrome (1:20000)
- deletion of 15 q11
A) Ocular
1) strabismus (common)
2) increased crossing of nerve fibers
3) nystagnus
4) glaucoma
5) ectropion uvea
B) Systemic
1) hypotonia
2) obesity
3) hypogonadism
4) short stature
5) small hands and feet
PXE- damage to elastic tissues (eg. Blood vessels)
A) Ocular
1) angioid streaks
2) peau d’orange: pathognomonic
3) “punched out” retinal lesions
4) o.n. drusen?
B) Systemic
1) plucked chicken skin (neck, axilla, genital)
2) GI bleeding (b.v.)
3) CNS bleeds
4) peripheral vascular disease
Reiter’s syndrome
- occurs after G- dysentry or chlamydia urethritis
A) Ocular
1) conjunctivitis: 50%
2) iritis: 10%
3) keratitis
4) corneal infiltrates
5) corneal pannus
B) Systemic
1) urethritis
2) polyarthritis
3) fever
4) scaling skin eruption: keratoderna blenorrhagicum
5) balanitis
6) aphthous ulcers
7) lymphadenopathy
8) pneumonitis
9) pericarditis
Refsum’s Disease - phytanic acid storage disease
A) Ocular
1) atypical RP **
2) cataracts (rare)
3) pupil abnormailities
B) Systemic
1) polyneuritis
2) dry skin
3) ataxia
4) deafness
5) anosmia
Rubinstein-Taybi syndrome (1:30000)
- sporadic
A) Ocular
1) antimongoloid slant
2) NLD obstruction
3) cataract
4) strabismus
5) congenital glaucoma
B) Systemic
1) CNS: MR
2) broad thumbs
3) beaked, broad nose
4) ear anomalies
5) cong. heart disease
6) lung anomalies
7) MSK anomalies
8) GU anomalies
Sarcoidosis
- Mikulicz's syndrome (dry mouth and eyes)
- Heeford's syndrome
A) Ocular
1) lids: granulomas
2) sclera: scleritis, episcleritis
3) iris: acute and chronic iritis
4) choroid: choroiditis with D-F nodules, SRNV
5) retina: - retinal vasculitis; seafans (NV)
6) disc: NVD, disc edema
no EOM or orbital c.t. involvement
B) Systemic
1) hilar lymohadenopathy
2) erythema nodosum
3) hepatosplenomegaly
4) arthritis
5) lymphadenopathy
6) cardiac abnormalities
7) myositis
8) meningitis with CN2 and CN 7 involved
Sickle cell findings
A) Ocular Findings
1) comma shaped conj. vessels
2) higher IOP with hyphema
3) salmon patch
4) iridescents spots
5) black sunburst
6) sea fans, NV(SC, SThal)
7) autoinfarcts
8) vitreous hemorrhage
9) CRAO (SS)
10) ON damage with moderately elevated IOP
Sjogren’s
- lacrimal gland infiltration with tear deficiency and either xerostomia or a CTD
- young to middle age women
A) CTD associated
1) RA
2) SLE
3) PAN
4) others
B) Systemic findings
1) swollen lacrimal gland
2) swollen parotid gland
3) exocrine dysfunction
4) atrophy of gastric mucosa
5) atrophy of cvaginal mucosa
6) kidney infiltration
7) muscle infiltration
8) lung infiltration
9) Raynaud’s
10) arthralgias
11) myalgias
12) fever
C) Serology
1) ANA
2) anti SS-A or SS-B
Sticklers (1:20000) - AD
(eye findings only: Wagner’s)
A) Ocular
1) lens sublux. (rare), early cataracts
2) retina: lattice, RD, sheathing, pigment around vessels
3) myopia
4) glaucoma (5%)
5) optically empty vitreous
B) Systemic
1) Pierre Robin anomaly
2) joint abnormalities
3) MV prolapse
4) deafness
5) cleft palate
6) abnormal facies
Temporal arteritis findings
A) Ocular
1) AION
2) CRAO
3) CN 3, 4, 6 palsy
4) anterior segment ischemia
5) hyperemia of the conjunctiva
6) iris rubeosis
7) cataract
8) considerable disc cupping
9) corneal edema
B) Systemic
1) TIA’s
2) occipital infarct
3) PMR
4) MI
5) CVA
6) ESR normal in 10%
7) biopsy + for 2 weeks after steroids started
8) biopsy: 3 cm long
Trisomy 13 (Patau Syndrome)
A) Ocular
1) globe: synophtalmos/cyclopia, coloboma with cartilage, PHPV, microphthalmia
2) retina: retinal dysplasia (multilayered rosettes)
3) lens: cataract (retained nuclei?)
4) cornea: clouding
5) uvea: coloboma
6) optic nerve hypoplasia, atrophy
7) lids: epicanthal folds, no eyebrows
B) Systemic
1) polydactily
2) cleft lip/palate
3) GU abnormalities
Trisomy 18 (Edwards)
1) lids: epicanthal folds, ptosis, blepharophimosis
2) glaucoma
3) microphthalmos
4) coloboma
5) corneal opacities
6) blue sclera
Trisomy 21 (Down)
A) Systemic
1) protruding tongue
2) flat nasal bridge
3) low malformed ears
4) MR
5) simian crease
B) Ocular findings
1) lids: epicanthal fold, blepharitis, mongoloid slant, ectropion, telecanthus, sparse lashes
2) conj: conjunctivitis
3) cornea: keratoconus with hydrops, prominent nerves
4) lens: cataracts
5) iris: Brushfield's - hypercellular iris stroma
6) angle: glaucoma
7) retina: pigmentary retinopathy, macular hypolplasia ?, RD’s?, abnormal vessels?
8) optic nerve: atrophy
9) EOM: strabismus (esp ET), nystagmus
10) refraction: hyperopia and myopia
Turner’s (45 XO)
A) Ocular
1) sclera: blue color
2) lens: ant. embryonal cataract
3) pupillary heterotropia
4) nystagmus
5) strabismus
B) Systemic
1) shield chest
2) MR
Usher’s syndrome- AR
- several types ranging in severity
1) pigmentary retinopathy
2) deafness
Vertebrobasilar insufficiency
A) Ocular
1) horizontal gaze palsy
2) vertical gaze palsy
3) INO
4) skew deviation
5) CN 3,4, or 6 palsy
6) Horner’s
7) nystagmus
B) Systemic
1) drop attacks
2) ataxia
3) vertigo
4) vomiting
5) tinnitus
6) deafness
7) dysarthria
8) dysphagia
9) hemiparesis
10) hemisensory deficit
VKH
- a panuveitis -Granulomatous
- choriocapillaris involved
A) Integumentary
1) vitiligo
2) poliosis
3) alopecia areata
A) Anterior segment
1) mutton-fat KP’s
2) iritis
3) iris nodules
4) synechiae
B) Posterior Segment
1) vitritis
2) optic disc swelling
3) retinal edema and hemorrhages
4) exudative RD
5) choroidal infiltrates
6) RPE infiltrates
7) deep orbital pain
8) depigm. of the perilimbus (Sugiura's sign)
9) depigm. of the fundus (sunset glow fundus)
C) Systemic
1) headaches
2) nausea
3) slight fever
4) meningitis
5) tinnitus
6) deafness
7) hyperesthesia of skin
Waardenburg’s - AD
1) telecanthus
2) confluent eyebrow
3) heterochromia
4) deafness
5) white forelock
6) pale fundus
Wegener’s areas of involvement
A) Ocular
1) orbit vasculitis
2) scleritis
3) retinal vasculitis
B) Systemic
1) kidney
2) lung
3) sinuses
4) positive C-ANCA
Weil-Marchesani (1:100000)
A) Ocular
1) microspherophakia (↑ pupil block and ACG)
Rx: Meds: dilate; Surgery: PI
2) myopia
B) Systemic
1) short stature
2) short stubby hands and feet
3) normal intelligence
Wilson’s - AR
- decreased ceruloplasmin
- Tx: penicillamine, decreased copper intake
- DDx: primary biliary cirrhosis, hepatitis, chalcosis, cholestasis of childhood
A) Ocular
1) K-F ring
2) sunflower cataract
B) Systemic
1) liver cirrhosis
2) CNS: basal ganglai (PD-like)
3) kidney
Xeroderma Pigmentosum
A) Ocular
1) entropion, ectropion
2) SCC, BCC of lids
3) dry eye
4) conj. melanosis and melanoma
B) Systemic
1) skin: dryness, scaling, freckling
2) malignant skin tumors
3) neurologic abnormalities (MR)
4) deafness

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