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Ophthalmology

Pterygium vs. Pinguecula

Pterygium: fleshy triangular mass that extends to the cornea. May interfere with vision. Pinguecula: yellowish elevated bump or patch that does not grow across the cornea. Treatment is not usually necessary but can be resected. Both are conjunctival...

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Visual Release Hallucinations (Charles Bonnet syndrome)

Visual release hallucinations, also known as Charles Bonnet syndrome (CBS), refers to symptoms of visual hallucinations that occur due to vision loss from any underlying cause. The underlying condition may affect the eye, optic nerve, or the brain. Examples of...

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Horner Syndrome

Horner syndrome results from disruption of the sympathetic pathway that runs from the hypothalamus to the eye. Classic signs include miosis, ptosis, and anhidrosis of the affected side. Causes include brain tumor, brain stem infarct, pancoast tumor, cervical...

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