Leprosy: Ocular Involvement in Hansen’s Disease
Leprosy (Hansen’s disease), caused by Mycobacterium leprae, remains an underappreciated...
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Canaliculitis: The Chronic Conjunctivitis That Won’t Clear
Canaliculitis is a chronic, often smoldering infection of the lacrimal canaliculus that is...
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Congenital Hereditary Endothelial Dystrophy: Cloudy Corneas Without Glaucoma
Congenital hereditary endothelial dystrophy (CHED) is a rare inherited corneal endothelial...
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Chiasmal Compression Syndrome: Why Bitemporal Field Loss Points to One Place
Chiasmal compression syndrome describes the characteristic pattern of visual loss from a mass...
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Floppy Eyelid Syndrome: The Sleep Apnea Connection
Floppy eyelid syndrome is a condition of abnormally lax, rubbery upper eyelids that evert easily,...
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Choroidal Hemangioma: Circumscribed vs. Diffuse
Choroidal hemangioma is a benign vascular tumor of the choroid. It comes in two clinically...
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Posterior Polar Cataract: A Small Opacity With a Big Surgical Risk
Posterior polar cataract is a congenital, typically stationary opacity located precisely at the...
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Ophthalmic Artery Occlusion: When the Cherry-Red Spot Disappears Too
Ophthalmic artery occlusion is a more devastating variant of acute retinal arterial occlusion. It...
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Chagas Disease: Romana’s Sign as the Ocular Entry Point
Chagas disease is caused by the protozoan parasite Trypanosoma cruzi and transmitted by triatomine...
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Talc Retinopathy: A Fundus Finding That Reveals IV Drug Use
Talc retinopathy is a distinctive crystalline maculopathy caused by intravenous injection of...
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Interferon Retinopathy: Usually Silent, Usually Self-Limited
Interferon retinopathy is a well-recognized, generally reversible retinal microvascular toxicity...
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Canthaxanthin Retinopathy: A Golden Ring From a Tanning Pill
Canthaxanthin retinopathy is a distinctive, dose-related crystalline maculopathy caused by...
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