Which of the following people are at high risk for developing nonulcerative inflammation of the cornea? Select all that apply

A) A welder with inadequate eye protection
B) A contact lens wearer who is noncompliant with cleaning and sterilizing the lens
C) A female who uses a tanning bed four to five times/week
D) A person who touched the fever blister and then rubbed the eye
E) A ski patrol who works 12 hours/day in bright, sunny mountain tops


Ans: A, C, E
Feedback:
In nonulcerative keratitis, all the layers of the epithelium may be affected, but the epithelium remains intact. There are a number of causes of epithelial keratitis, including epidemic keratoconjunctivitis caused by adenoviruses 8 and 19 and ultraviolet (UV) light exposure keratitis. Most cases of UV keratitis occur in welders with inadequate eye protection, but may also occur with tanning booth and other UV lamp exposure, and from sun reflecting off snow. Most cases of herpes keratitis are caused by HSV type 1 (labial [lip] herpes) and is ulcerative in nature. Acanthamoeba keratitis is a rare but sight-threatening complication that typically occurs in people who wear soft contact lens, particularly overnight or without proper disinfection.

Health & Biomechanics

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