2: CONGENTIAL ANOMALIES Myelinated nerve fibers - No loss of visual function - will have an enlarged blind spot - can see striations in NFL - doesn’t have to be at ONH Malignant Melanoma - lesion is 1) growing, 2) destructive - orange lipofuscin = potential malignancy Uveal Melanoma - Most common 1 malignant intraocular tumor in Caucasians - age detection depends on location of tumor Iris before ciliary body & choroid - malignancy potential, lesions: >3mm wide, >1mm thick, intrinsic vasculature, destructive - most common site for metastasis = liver Coloboma - failure of the fetal fissure to close - inferior staphyloma is common w/ coloboma - high risk of RD- retina is fragile @ coloboma - Leukocoria: retinoblastoma, toxo, coloboma Iris melanoma retinal CHRPE (hypertrophy) - sharp borders, black/pigment - benign, cell size - lacunae = pigment dropout - bilateral = Gardner’s, AD, cancer - may have associated field defect Ciliary body melanoma - sentinel vessels, or extrascleral extension - highly malignant, poor prognosis - sxs: blurry vision, pain, VF defect Optic pit - most often inferior temporal & unilateral - 60% have cilio-retinal artery - present w/ arcuate scotoma, no VA effect - risk for serous maculopathy RPE hyperlasia -“spikier” than CHRPE - # of cells Choroidal Nevus (benign melanoma) - indistinct margins (under RPE), gray, <2DD - overlying drusen (RPE)= old lesion - NO associated field defect - ddx: tumor has orange lipofuscin Choroidal Hemangioma - ddx melanoma: B-scan, FA - fluoresce in late phase = hemangioma Melanocytoma of ONH - benign, slow growing, surface of ONH - malignancy is rare - asxs, monitor Morning Glory Syndrome - rare, non-inherited, “coloboma of disc” - ONH atrophy, radiating vessels, unilateral - filled w/ tissue white spot, F>M - absence of lamina cribosa Optic Nerve Hypoplasia - double-ring sign, underdeveloped, small - leading cause of peds congential VA loss - Septo Optic Dysplasia: 1) ON hypoplasia, 2) endocrine dysfxn, 3) no septum pellucidum - Topless disc syndrome (superior segmental optic nerve hypoplasia) usually bilateral, mothers with Type 1 DM, sup NFL loss non-progressive inf VF loss, low birth wt. Arteriole-Venous Malformations - Anastamoses, direct communication - A/V shunts in brain = Wyburn-Mason Congenital Tortuosity - both arteries & veins, reverse loops to ONH - Venous stasis: only veins BRVO, HTN - Arteries: Pancoast tumor, sympathetic Hyaloid Artery Remnant - persists in 2%, benign - Mittendorf dot = on posterior lens Bergmeister’s Papilla - tissue overlying ONH Hyperplastic Vitreous (PHPV) - unilateral, full-term infants - vascularized membrane behind lens - assoc w/: micropthalmus, cat, glauc - inflammatory process traction on retina Posterior Staphyloma - outpouching retina thins ONH tilts VA sclera weakens choroid atrophy - (-) power for depth, 3 types… - posterior: congenital, common - inferior: coloboma, tilt around horz axis - macular: tilts around vertical axis - assoc w/: PVD, cat, glauc, lattice, VF defects Pseudopapilledema - swelling in the absence of ICP - no obscuration of vessels (NFL not opaque) - sometimes term used for ONH drusen Retinopathy Of Prematurity - high risk: <30 wks, <3.31 lbs -temporal retina: 1) demarcation line, 2) AV shunts, 3) neo tufts “dragged disc”, scarring, 4) tractional total RD Retrolental fibroplasias -disc dragged temporally b/c neo into vitreous 3: OPTIC NERVE ANOMALIES Hyoperope -small disc & C/D, crowded - “disk at risk” for ischemia (NA-ION) Myope -large disc, sclera crescent ( blind spot) - oblique insertion, vertical major axis ONH drusen = retained hyaline bodies, AD - size w/ age, can blindspot, fluoresce - NO associated VF loss - bleeding= b/c of inclusion bodies VF loss Papilledema - swelling due to ↑ intracranial pressure - bilateral, opacification of NFL, Paton’s folds - reverse glaucoma, ONH pallor w/o cupping - hyperemia (uncompensated), HA, CN6 palsy - early= blind spot blindness w/ NFL - r/o brain tumor! Pseudotumor Cerebri - ↑ ICP w/o tumor, mass, or cause of ICP - dx of exclusion: r/o tumor, meds - Dandy criteria: normal imaging/CSF - 2 causes= drugs, weight gain (obese females, blind spot), vitamin A deficiency, anemia, sleep apnea (obese males, central scotoma) ONH atrophy 2 to intracranial mass/lesion -signs/sxs= color vision/VF/VA, weight loss, vomiting in a.m., APD, pallor/cupping of ONH Glioblastoma Multiform - overall in VF & blindspot (Walters cried) - bilateral swelling of ONH Aneurysm of Internal Carotid - slight in peripheral VF w/ blindspot - disc pallor ADOA: Autosomal Dominant OA - most common inherited atrophy - slow VA loss, cecocentral scotoma -SWAP > SAP (tritanopia) -temporal nerve palor, inverted VF to color LHON: Leber’s Hereditary OA - most common mitochondrial dz - most common optic atrophy -sudden central vision btwn 12-30 yo, M>F -dyschromatopsia, cecocentral VF, temporal disc pallor, loss of hearing, NFL loss in papillomacular bundle, peripheral neuropathy Optic Disc Edema w/ Macular Star -AKA ODEMS, Leber’s Stellate Maculopathy - unilateral, self-limiting (1wk), young pats - assoc w/ virus/cat scratch fever b4 sxs - ONH swelling, macular star, vitreous cells AION: Anterior Ischemic ON -amaurosis fugax 6 mos prior, unilateral -AION: 75yo, GCA, APD, pale top ½ ONH -NA-ION: 62yo, disc at risk, vascular dz, hyperemic disc, APD, no cupping -ONH edema, flame hemes, VF defect Nutritional Amblyopia - Thiamine Deficiency (B1) - tobacco: central color loss BGR - alcohol (pic): gradual VA esp @ night, APD, Central scotoma w/ color stimulus, temporal palor of disc Papillitis -↓ VA, color vision, APD, central VF loss - pats very symptomatic - swelling 2 infection/inflammation - ddx papilledema or PTC - adults: MS; kids: post viral; older: GCA, DM Optic Neuritis (secondary to MS) - pain on eye mvmnt precedes vision loss - F>M, ~31 yo, dx of exclusion - Uthoff’s sign (hot), L’hermitte’s (shock,neck) -VEP ↓ amplitudes, ↑ delay - arsenic poisoning: Acute: GI, cramps, arrhythmia, anemia Chronic: dyschromotopsia, VF loss, ONH pallor/atrophy, weight/hair loss, hyperpigmentation on soles of feet 4: RETINAL MACULPATHIES ddx APD Contrast Brightness Color VEP Photostress Optic Nerve (+) APD Low SF Reduced Reduced Delay Normal Macula (-) APD High SF Normal Normal Normal Delay Stargardt Macular Dystrophy (AR) - most frequent juvenile macular dystrophy - beaten bronze macula, FA: dark choroid - normal ERG, main sxs: reduced VA - pisceform lesions (yellow flecks) - 3 phenotypes, 4 stages in each phenotype X-Linked Juvenile Retinoschisis - splitting of neural retina only in macula - NOT a detachment! Will have an absolute scotoma & less opaque. Receptors intact. - progresses 1-2nd decade, stable after puberty, slow progression until 5-6th decade -f lash ERG: A-wave, no B-wave - petalloid/cystic pattern of macula Central Serous Chorioretinopathy - meatmorphopsia, color perception, (-) FR - relative central scotoma, hyperopic shift - young males, steroid induced RPE - “smoke stack” on FA, tx = benign neflect - patient sees central brown spot (?) Fundus Flavimaculatus - only yellow flecks in the macula = lipofuscin - 85% show dark choroid - r/o: bests, x-linked retinoschisis, N.Carolina Best's Disease (VMD) (AD) - Vitelliform Macular Dystrophy - dx in 2nd decade, normal VA, metamorph. -egg yolk macula scrambled egg -↓ EOG, normal ERG (only dz) North Carolina Macular Dystrophy (AD) - bilateral atrophy w/ loss photoreceptors/RPE - nystagmus, stable VA, early onset - drusen, lesion w/ well-demarcated atrophy, hyperpigment around edges… 3 grades Irvine-Gass Syndrome -CME after CAT surgery (1-6%), VA 20/40 (-) - blurred central vision (#1 sxs), cystic , petalloid w/ FA, can lead to macular hole - VA loss peaks @ 6-8 wks post-op - 90% subside in 6 mos w/ no tx Adult Onset Vitelleform Dystrophy - no inheritance pattern, EOG, normal ERG - smaller yellow foveal deposits than Bests Plaquenil Maculopathy (Chloroquine) -bull’s eye maculopathy, paracentral scotoma -corneal verticillata/vortex keratopathy - boney spicules, dark RPE, ONH pallor -↓ sensitivity to red RPE Detachment: sharp boundary (ddx neural retinal detachment: vague) Epiretinal Membrane - asxs, mild VA, glial cell proliferation on ILM - assoc w/: vascular dz, trauma, PVD, idiopat - still has good VA, pseudo hole= 20/20. Familial Drusen (AD) -temporal, bilateral, larger, may form a ring 5: RETINAL DYSTROPHIES Macular Hole - sxs: central VA, central scotoma - dark red spot w/ white ring of detachment -yellow spots w/in the hole -4 stages. full thickness = redder = 20/200 Cone-Rod Degeneration - @ threshold, looks like macular degen. - VA in bright light, bony spicules - scotoma in RP= cone - bull’s eye maculopathy Retinitis Pigmentosa - most common retinal degeneration - sxs: nyctalopia, tunnel vision, slow onset - bony spicules, attenuation of vessels, waxy pallor of ONH, mottled appearance, PSC, CME - VF = ring scotoma AMD -drusen: first indication, Gass’s Postulate Changes in RPE. Precursors to all AMD Usher’s Syndrome: deaf & RP over time Bardet Biedl Syndrome (AR): RP, polydactyly, obesity, retardation. -macular color (Signet ring) = wet CSNB (X-linked) (Schubert-Bornschein) -bright-flash ERG: normal A, absent B wave -pradoxical pupil constriction, NO VF loss -high myopia. No VF progression. Fundus Albipunctatus - night vision, after dark adaptation - many punctate deposits in retina - stationary congenital night blindness Rod Monochromacy (AR) -complete color blindness, matches brightness -photophobia, pendular nystagmus - flat cone response, normal rod ERG Albinism (AR) -↓ VA, photophobia, nystagmus -blonde fundus -iris transillumination - ocular albinism = x-linked 3. Von Hippel Landau (AD) -tumor suppressor gene, adrenal problems -retinal hemangioblastoma, renal cell cancer… Albinoidism - appears like albinism, but w/ good A 4. Tuberous Sclerosis (AD) -seizures, retardation, skin/eye lesions PHAKOMATOSES Leber’s Congenital Amaurosis (AR) - VA loss b4 6 mos, (-) pupil rxn, (-) ERG - “wandering eyes”, fundus appears normal - later: pale ON, attenuated vessels, RP - severe photophobia, nystagmus, “S&P” -bull’s eye macula (cone-rod dz) (also in advanced Stargardt's) 1. Neurofibromatosis -Lisch nodules (iris) -café au lait spots 5. Wyburn-Mason (not inherited) -A/V malformations (shunts) in eye/brain - can be assoc w/ other vascular problems Von Recklinghausen’s Dz (AD) - NF-1: most common inherited dz assoc w/ optic nerve glioma. Café au lait spots & NF - NF-2: no VA loss, CN8 masses, cats 2. Sturge-Weber (not inherited) -neurocutaneous disorder w/ angiomas -port wine stain along V1 & V2 -ipsilateral glaucoma, developmental disorder 6: RETINAL VASCULAR DZ Diabetes -venous dilation, microaneurysms, hemes, CWS, venous beading, IRMA, neo - MA: small red dots, hyperfluoresce -severe NPDR: 4 hemes/MA, 2 CWS, 1 IRMA BRVO (Branch Retinal Vein Occlusion) - result of thrombus lots of blood - arterial compression of vein - 2/3 occur in superior temporal quadrant Non-granulomatous: anterior, fine KPs, hypopyon, acute, (+) pain cells in AC CRVO - 70-80% non-ischemic, 20-30% ischemic - PDR: neo 7: UVEITIS Granulomatous: posterior, iris nodules clumped KPs (mutton fat KPs), (-) pain cells in AC and vitreous Sarcoidosis (granulomatous) -20-50 yo BF, lung/TB, lacrimal gland-dry eye -Koeppe (pupil margin), Busacca iris nodules -glaucoma (synechiae or clogged TM) -“candle-wax drippings” & vessel sheathing - periphlebitis = pigment only around vessels CRAO - result of an embolus - sxs: amaurosis fugax, acute VA, 20/800 - M.F, 60 yo severe permanent VA loss - white/ischemic retina w/ cherry red spot - optic nerve edema/pallor - worry about rubeosis irides & iris atrophy Ankylosing Spondylitis (non-gran) -lower back pain (no pics) JRA: Juvenile Rheumatoid Arthritis - non-granulomatous. (+) ANA, (-) RA - young F, cataracts, band keratopathy - CSME: main cause of VA in DM pats Can occur at any stage, w/in 500 m Hypertension - arteriole sclerosis, A/V nicking, CWS, hemes, retinal edema, papilledema Sickle Cell Retinopathy - pre-proliferative: tortuosity, salmon patch hemes, sunburst lesions, silver/ghost wiring - proliferative: sea fan neo, anastamoses, vitreous heme, RD VKH: Vogt-Koyanagi-Harada - bilateral panuveitis, VA serous detachment -CNS signs: ears (tinnitus, vertigo) - depigmentation: skin (vitiligo), hair (poliosis) -2: CAT, GLC, choroid neo, fibrosis Histoplasmosis -: atrophic spots, peripapillary atrophy, maculopathy b/c subretinal neo - birds/bats, fungus, Miss-Ohio - VF shows enlarged blindspot Cytomegalovirus (CMV) -AIDS, ketchup and mayo Commotio Retinae - permanent opacification following trauma 8: PERIPHERAL RETINA Only concern is RD Serpiginous Choroiditis - a “white dot” syndrome, asxs, bilateral - lesions of RPE & choriocapillaris “vitreous is the villain” A) BENIGN Retinal Degenerations Snowflakes Pavingstone - focal chorioretinal atrophy = RPE dropout Toxoplasmosis -cats, protozoan, “headlights in a fog” - most frequent cause of retinochoroiditis - 3C’s: convulsions, calcification (of arterioles), chorioretinitis AIDS retinopathy - hemes, MA, roth spot, CWS Toxocariasis -dog/cat roundworm (looks worse than toxoplasmosis) - most cases of elevated granulomas of disc - big, white lesions, “spilled milk” Trauma -radial breaks around ONH - open angle w/ pigment Reticular Pigmetary Degeneration - “Honeycomb”, looks like lattice, but isn’t Equatorial Drusen - not like drusen elsewhere, like “dirty snow” Oral Chorioretinal Degeneration Radially Oriented Sclerotic Vessels posterior to equator - looks like: snowflake, hyperplasia, & lattice Trophic & Tractional Breaks Pigment Clumping w/ Horseshoe tear -blood vessel over tear is worrisome Diffuses Chorioretinal Atrophy - myopes, holes = vehicle for fluid RD -trophic= round holes - tractional= linear, horseshoe - worry re: inferior edges attached to retina Paravesicular Vitreoretinal Detachment - white = traction, risk of RD Peripheral Cystoid Degeneration - still like snowflakes, sclerotic vessels (?) Snailtrack Degeneration - similar to classic lattice, but “lattice” not as easily seen. Worry about inferior holes. RETINAL BREAKS = high risk of RD Horseshoe Tears - diffuse white area = fluid = subclinical RD B) PREDISPOSE TO RD - w/ traction = very high risk Lattice degeneration - sharply demarcated, circumferential thinning - hole at edge & attached to retina is worse - degeneration x-crossed by sclerotic vessels Acquired Retinoschisis -splitting of neural retina, doesn’t progress -see 2 layers: less opaque, absolute scotoma Operculated Round Tear - traction has already pulled = NO risk of RD Risk of bleed w/ vessel - if tear is free-floating = NO risk of RD White Without Pressure (WWOP) -WWOP + no tear = normal - significant w/ retinal break - boundary is scalloped -ddx RD: smooth edge, elevation Retinal Tears/Detach w/ pigmented edges -pigmented edges = “high water mark” - long standing = no progression = safe RPE Hyperplasia assoc with lattice - pigment liberated from RPE, should also have hypopigmentation. - sclerotic vessel suggests ischemia Acquired Retinoschisis w/ inner layer holes - less opaque = inner layers, ≠ full thickness Acquired Retinoschisis w/ inner & outer holes - double dis-organization = schisis - no place for vitreous to attach = safe break Retinal Detachment