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Introduction to Corneal Disorders

By

Melvin I. Roat

, MD, FACS, Sidney Kimmel Medical College at Thomas Jefferson University

Last full review/revision May 2020| Content last modified May 2020
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Symptoms that suggest corneal involvement (eg, rather than simple conjunctivitis) include unilateral involvement, pain (foreign body sensation and ache—not just a gritty sensation), particularly with exposure to light (photophobia), and decreased visual acuity.

Corneal disorders include the following:

Evaluation of the cornea requires fluorescein staining and, when available, slit lamp examination Slit-lamp examination The eye can be examined with routine equipment, including a standard ophthalmoscope; thorough examination requires special equipment and evaluation by an ophthalmologist. History includes location... read more , and sometimes microbial studies. Patients with symptoms or evidence of keratitis should be referred to an ophthalmologist.

Pearls & Pitfalls

  • Do a slit-lamp examination and fluorescein staining if patients have a red eye with pain, foreign body sensation, and/or decreased visual acuity.

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Overview of Uveitis
Uveitis is defined as inflammation of the uveal tract and is classified anatomically as four different types. Of these types of uveitis, which of the following is localized to the vitreous cavity and/or pars plana?
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