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President Trump is scheduled to be in Philadelphia on Tuesday, September 15, 2020 at The National Constitution Center (NCC) in the Independence Mall area. Increased police presence is anticipated in Center City throughout Tuesday afternoon and evening. Please allow extra time if you are going to Wills Eye. Please be advised of area street closures to vehicles beginning at 1:00PM on Tuesday 9/15. Pedestrian access will also be limited in the area. This is subject to change and area restrictions, which could widen, will be lifted once the President departs the NCC. There are also demonstrations planned for Tuesday 9/15 around Independence Mall as well as City Avenue.

Recurrent Corneal Erosions

OVERVIEW

The surface layer of the cornea (epithelium) is supposed to be well attached to the body of the cornea (stroma).

In some eyes, often after trauma to the cornea or in eyes with certain corneal dystrophies (especially epithelial basement membrane dystrophy or EBMD), but occasionally out of the blue, the surface layer separates from the body of the cornea causing pain. The pain may be fleeting or can last for hours or days, depending on how much of the surface layer separates and whether a corneal abrasion occurs.

Recurrent erosions generally respond to medical treatment with antibiotics and lubricants or a bandage soft contact lens. If unsuccessful, a variety of surgeries can be effective ranging from anterior stromal micropuncture, removal of the epithelium with or without diamond burr polishing of the stroma (see “Surgical Procedures” page), to excimer laser resurfacing (phototherapeutic keratectomy or PTK) (see “Surgical Procedures” page).

 

DEFINITION

Recurrent corneal erosions are episodes of eye pain due to abnormalities of the surface layer of the cornea (epithelium) that causes it to be poorly adherent to the rest of the cornea.

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SYMPTOMS

Mild to severe eye pain that typically develops during the night or upon awakening, The pain may be fleeting or can last for hours or days, depending on how much of the surface layer separates and whether a corneal abrasion occurs.

CAUSES

Shearing type trauma to the eye (e.g. fingernail, paper or tree branch injury) or an underlying corneal dystrophy, most likely epithelial basement membrane dystrophy or less commonly other dystrophies such as Reis-Bucklers or lattice corneal dystrophies.

RISK FACTORS

Eye trauma or family history of corneal dystrophy.

COMPLICATIONS

Corneal erosions can predispose to corneal infections which can cause corneal scarring and poor vison.

TESTS AND DIAGNOSIS

The diagnosis can usually be made by history and slit lamp examination with special dyes such as fluorescein.

TREATMENT

Recurrent erosions generally respond to medical treatment with antibiotics and lubricants or a bandage soft contact lens. If unsuccessful, a variety of surgeries can be effective ranging from anterior stromal micropuncture, removal of the epithelium with or without diamond burr polishing of the stroma (see “Surgical Procedures” page), to excimer laser resurfacing (phototherapeutic keratectomy or PTK) (see “Surgical Procedures” page).

PREVENTION

The key to prevention of future erosions is lubrication every night for at least 3-6 months.