ANATOMY

Detailed explanation-1: -Iris: The iris is the colored part of the eye that surrounds the pupil. It regulates the amount of light that enters the eye. Lens: The lens is a clear part of the eye behind the iris that helps to focus light and images on the retina.

Detailed explanation-2: -iris, in anatomy, the pigmented muscular curtain near the front of the eye, between the cornea and the lens, that is perforated by an opening called the pupil. The iris is located in front of the lens and ciliary body and behind the cornea. It is bathed in front and behind by a fluid known as the aqueous humour.

Detailed explanation-3: -The iris is the colored part of your eye. Muscles in your iris control your pupil-the small black opening that lets light into your eye. The color of your iris is like your fingerprint.