Choroid is

The defective condition of accommodation of the eye in which distant objects are seen distinctly but near objects are indistinct is:

The nictitating membrane, also known as the $Plica \text{ } semilunaris$, is a vestigial organ present in which part of the human eye?

The lens and cornea do not have a blood supply. Therefore, the nutrients are supplied by:

The central opening of the iris is called:

Which of the following is a characteristic of the human cornea?