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Figure 15-2. Technique for everting an eyelid and removing a foreign body
Virtually all injuries by corneal freezing and superficial abrasions heal completely, with
normalvisionrestoredwithinforty-eighthours.Duringtheacuteperiod,however,aperson
can be rendered totally disabled by blindness. As with snow blindness, the corneal surface
layer is damaged or compromised by abrasions. Topical antibiotics should be applied to
prevent infection.
Corneal Ulcer
Amoreseriousconditioninvolvingthecorneaisacornealulcer.Acornealulcerischar-
acterized by inflammation or infection that penetrates into the corneal stroma, is usually
very painful, and sometimes produces a white infiltrate in the cornea.
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