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Multiple Choice

Lamellar keratectomy involves which of the following?

Lamellar keratectomy means removing tissue from a specific layer of the cornea rather than the entire thickness. “Lamellar” refers to a layer, and “keratectomy” is tissue removal from the cornea, so this procedure targets a partial-thickness portion of the cornea while leaving deeper layers, like Descemet’s membrane and the endothelium, intact. That’s why it’s described as a partial-thickness removal. It’s different from full-thickness surgeries (which remove the entire cornea) and from procedures that remove conjunctival tissue or replace the corneal endothelium. In practice, this approach is used to address superficial or anterior stromal disease while preserving inner corneal structures.

Lamellar keratectomy means removing tissue from a specific layer of the cornea rather than the entire thickness. “Lamellar” refers to a layer, and “keratectomy” is tissue removal from the cornea, so this procedure targets a partial-thickness portion of the cornea while leaving deeper layers, like Descemet’s membrane and the endothelium, intact. That’s why it’s described as a partial-thickness removal. It’s different from full-thickness surgeries (which remove the entire cornea) and from procedures that remove conjunctival tissue or replace the corneal endothelium. In practice, this approach is used to address superficial or anterior stromal disease while preserving inner corneal structures.