Name: Care of Eyes
Uploaded: 2019-07-19
Duration: 4 min 20 s
Description: Eyes are indeed the best gift from God. We are not aware of its importance as long as our vision is perfect. In this video, let’s learn about how to take car...

Question

Sketch and label to show the structure of human eye.

Accepted Answer

Human eye has many parts that work together to produce clear vision:

The sclera: It is the white part of the eye the protects the eyeball.

The pupil: It is a black dot at the centre of the eye.It is an opening through which light can enter the eye.

The iris: It is the coloured part of the eye that surrounds the pupil. It controls the aperture of pupil and regulate the amount of light entering the eye by changing the size of the pupil.

The cornea: It is a clear part at the front of the eye that acts like a window. It covers the iris and the pupil.

A clear lens: It is located behind the pupil. It acts like a camera lens by focusing light onto the retina at the back of the eye.

The retina: It is a light-sensitive inner lining at the back of the eye. It has photosensitive cells called rods and cones that work together in the retina to detect light and turn it into electrical impulses.

The fovea: it is the most sensitive part on the retina that form the most clear image.

Sketch and label to show the structure of human eye.

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