Keratitis

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Summary of Keratitis

Keratitis is a condition in which the eye's cornea, the front part of the eye, becomes inflamed. The condition is often marked by moderate to intense pain and usually involves any of the following symptoms: pain, impaired eyesight, photophobia, red eye and a 'gritty' sensation. Viral infection of the cornea is often caused by the herpes simplex virus which frequently leaves what is called a 'dendritic ulcer'.

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Keratitis

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High Yield Notes

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Keratitis

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The most common cause of ocular keratitis is virus.

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USMLE® Step 1 style questions USMLE

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A 21-year-old woman comes to the emergency department because of bilateral eye pain, tearing,and photophobia. These symptoms began about 2 hours ago with sudden onset. The house the patient lives in recently installed a sun-tanning station. Physical examination shows normal visual acuity, intact extraocular eye movements, and pupils are equal, round, and reactive to light. Intra-ocular pressure is within normal limits. Slit-lamp examination is normal, but fluorescein examination under cobalt blue light illuminates small dots throughout the cornea. Which of the following is the most likely diagnosis?

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