Question

2. Explain the structure of an human eye. please answer in brief ​

Answer 1

Answer:

The internal structure of the eye includes the following parts: Lens: It is a transparent, biconvex, and an adjustable part of an eye. The lens with the help of the cornea refracts light focused on the retina, therefore creating images on it. ... Optic nerve: It is located at the end of the eyes, behind the retina.

Answer 2

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The human eye is nearly spherical in shape with diameter of about 2.5 cm. Light enters through a transparent curved front surface this is known as the cornea of the eye. It is whitish in colour. Its main function is to act as a protective layer for the eye. The space behind it is filled with liquid called call acqueous humour. Behind, the cornea is a dark coloured muscular diaphragm called the iris. The is maybe pigment and is responsible for the characteristic colour of the eye of a person. The opening in the centre of the earth is called pupil. The ciliary muscles enable the islands to change it safe for seeing object. The light sensitive screen of the human eye is called retina. Optic nerves transmit the image formed on the retina to the brain.

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