Question

Which of the following statements about cornea is correct?

• A. The cornea is an external, transparent, and protective proteinaceous covering of the eye-ball.
• B. The cornea consists of dense connective tissue of elastin and can repair itself.
• C. The cornea is a convex, transparent layer that is highly vascularised.
• D. The cornea consists of a dense matrix of collagen and is the most sensitive portion of the eye.

Answer 1

The correct option is A

The cornea is an external, transparent, and protective proteinaceous covering of the eye-ball.

The correct option is A.

Explanation for the correct option:

1. The cornea, which is transparent and covers the iris, pupil, and anterior chamber of the eye, is the front section of the eye.
2. Cornea consists of dense matrix of collagen, it is the transparent continuation of the sclera, that covers the iris and lens.
3. It protects the eye ball from damage and prevents entry of micro-organisms into the eye.

Final answer: The correct statement about the cornea is it is an external, transparent, and protective proteinaceous covering of the eye-ball.