Question

From the following description write down the names of the parts in human eye.
(a) Dark muscular diaphragm that controls the pupil.
(b) The screen where the image is formed by eye lens.

Answer 1

(a) Iris is the dark muscular diaphragm that controls the pupil. Together with the pupil, the iris is responsible for regulating the amount of light that gets into the eye.

(b) Retina is the screen inside the eye where the image is formed by the eye lens. The purpose of the retina is to receive light that the lens has focused, convert the light into neural signals, and send these signals to the brain for visual recognition.