Which Part of the Eye Is Corrected Using Photorefractive Keratectomy

question 18

Multiple Choice

Which part of the eye is corrected using photorefractive keratectomy (PRK) , also known as surface ablation?

• A) Iris
• B) Pupil
• C) Cornea
• D) Retina

---

Definitions:

Gamete Formation

The process by which reproductive cells (gametes) are produced, involving meiosis to ensure each gamete receives half the number of chromosomes of the parent cell.

Tissue Specialization

The process by which cells in multicellular organisms differentiate into specific types to perform unique functions, contributing to the complexity and efficiency of the organism.

Gastrulation

A stage at the beginning of an animal's embryonic growth where the blastula, initially a single layer, transforms into a gastrula, a structure consisting of multiple layers.