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Ophthalmic Assistant

Category - Patient Services and Education

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Superficial abrasions to the cornea usually affect which layer?

Stroma
Bowman’s layer
Corneal endothelium
Corneal epithelium

Explanation

Answer: D - Corneal epithelium

Superficial abrasions to the cornea usually affect the epithelium layer, which is the outermost layer of the cornea. It is 5 to 7 cells thick and functions as a barrier and as an important refractive optical surface. It regenerates quickly without leaving a scar.

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