Weill-Marchesani Syndrome: Microspherophakia and the Pupillary Block Risk
Weill-Marchesani syndrome is a rare connective tissue disorder that, in almost every respect,...
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Climatic Droplet Keratopathy: A Corneal Sign of Chronic UV Exposure
Climatic droplet keratopathy (also called Labrador keratopathy or spheroidal degeneration) is a...
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Anterior Polar Cataract: Small, Stable, and Usually Benign
Anterior polar cataract is a small, sharply demarcated white opacity at the front of the lens,...
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Descemetocele: One Thin Layer From Perforation
A descemetocele is a bulging protrusion of Descemet’s membrane through a region of the...
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Dacryoadenitis: Superolateral Swelling With a Different Differential
Dacryoadenitis is inflammation of the lacrimal gland, located in the superolateral orbit. It is...
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Molluscum Contagiosum: The Eyelid Bump Behind a Stubborn Red Eye
Molluscum contagiosum is a common poxvirus infection of the skin that, when it occurs on or near...
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Alkaptonuria: Scleral Pigment That Signals a Metabolic Disease
Alkaptonuria is a rare autosomal recessive disorder of tyrosine metabolism, caused by a deficiency...
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Proptosis: Building the Differential Beyond Thyroid Eye Disease
Proptosis — forward displacement of the globe out of the orbit — is a physical sign with a wide...
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Medulloepithelioma: The Ciliary Body Tumor Hiding Behind the Iris
Medulloepithelioma is a rare intraocular tumor arising from the primitive, non-pigmented ciliary...
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Megalocornea: Large but Normal, and Why That Distinction Is Urgent
Megalocornea is a rare, non-progressive, bilateral condition in which the cornea is enlarged...
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Sebaceous Carcinoma: The Great Masquerader of Eyelid Disease
Sebaceous carcinoma of the eyelid is an uncommon but dangerous malignancy arising from the...
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Phlyctenular Keratoconjunctivitis: A Hypersensitivity Reaction at the Limbus
Phlyctenular keratoconjunctivitis is a delayed (type IV) hypersensitivity reaction of the...
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