Mysterious Rings in the Eye

Lipid deposition
A 63-year-old woman with cataracts presents with unusual double white-yellow rings in both corneas. Learn about the cause of this ophthalmologic finding.
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The Danger of a Deep Sleep

Vertical nystagmus
A 44-year-old man wakes up with vision loss after taking sedatives and alcohol. Explore the diagnosis of ischemic retinopathy from orbital compression.
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Painless Red Growth on the Eye

Conjunctival papilloma
A 26-year-old man presents with a 2-month history of a painless, reddish growth on his left eye. Explore the diagnosis and management of this common ocular lesion.
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A Blind Spot in an HIV Patient

Cytomegalovirus retinitis
A 34-year-old with HIV presents with a blind spot. Explore the causes of fulminant retinitis and retinal necrosis in severely immunosuppressed patients.
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