EYES

It is an opaque ball averaging 2.3 cm in diameter that provide organisms vision.

• Eyes

• Lens

• Mirror

• Camera

It is a black circle in the middle of the eye.

• Pupil

• Sclera

• Cornea

• Retina

It is a transparent membrane of the eyeball that protects the eye.

• Pupil

• Iris

• Cornea

• Retina

It consist of light-sensitive rods and cones. the image of an object seen by the eye is formed exactly in this part.

• Cornea

• Retina

• Iris

• Pupil

It is the white part or background of the eye that provides structure, protection, and strength of the eye.

• Cornea

• Pupil

• Retina

• Sclera

It regulates the size of the pupil by contraction or relaxation of its muscles.

• Cornea

• Iris

• Sclera

• Retena

Presbyopia is also known as an aging eyes.

• TRUE

• FALSE

Myopia is also known as farsightedness.

• TRUE

• FALSE

Astigmatism is an eye problem that cannot focus simultaneously on horizontal and vertical lines.

• TRUE

• FALSE

In hyperopia, the eyeball is too short and the image of a close object is formed behind the retina.

• TRUE

• FALSE