Phototherapeutic Keratectomy (PTK), which utilizes the excimer laser, is very effective at creating a stickier surface for the epithelium.Depending on the situation, stromal puncture, which is an office procedure which allows the epithelium to stick down tighter, can be performed.For recurrent erosions, ointments and bandage contact lenses are often used as first line therapy.A smooth corneal surface is required for clear vision, so these surface irregularities degrade vision. These ridges, called Map and Fingerprint lines, are visible during the eye exam. ![]() Because the epithelium isn’t stuck down well, folds or ridges may develop on the corneal surface from shifting epithelium. The second set of symptoms are blurry and double vision. ![]() Erosions can last minutes to days, depending on the size of the abrasion. The lid crossing the dry cornea causes a scratch. An example is when the eyes first open in the morning. Because the epithelium isn’t stuck down well, the epithelium can come off with seemingly trivial trauma.
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