Human Eye Quiz

What is the function of the cornea in the eye?

• To regulate the amount of light entering the eye

• To cover the front part of the eye and allow light to enter

• To send electrical signals to the brain

• To change the focal length of the eye lens

What is the function of the iris in the eye?

• To cover the front part of the eye and allow light to enter

• To send electrical signals to the brain

• To change the focal length of the eye lens

• To regulate the amount of light entering the eye

What is the function of the retina in the eye?

• To regulate the amount of light entering the eye

• To send electrical signals to the brain

• To cover the front part of the eye and allow light to enter

• To change the focal length of the eye lens

What is the function of the ciliary muscles in the eye?

• To cover the front part of the eye and allow light to enter

• To change the curvature and focal length of the eye lens

• To send electrical signals to the brain

• To regulate the amount of light entering the eye

What is the function of the vitreous humour in the eye?

• To change the focal length of the eye lens

• To fill the space between the retina and lens

• To send electrical signals to the brain

• To regulate the amount of light entering the eye

What is the power of accommodation of the eye?

• The ability of the eye to focus objects lying at different distances

• The process by which the ciliary muscles change the focal length of the eye lens

• The maximum distance up to which the normal eye can see things clearly

• The point nearest to the eye at which an object is visible distinctly

What is the far point of the eye?

• The point nearest to the eye at which an object is visible distinctly

• The ability of the eye to focus objects lying at different distances

• The process by which the ciliary muscles change the focal length of the eye lens

• The maximum distance up to which the normal eye can see things clearly

What is cataract in the eye?

• A spot at which the optic nerve enters the eye and is insensitive to light

• The ability of the eye to focus objects lying at different distances

• The crystalline lens of people at old age becomes milky and cloudy

• The process by which the ciliary muscles change the focal length of the eye lens

What is the range of vision of the eye?

• The maximum distance up to which the normal eye can see things clearly

• The process by which the ciliary muscles change the focal length of the eye lens

• The point nearest to the eye at which an object is visible distinctly

• The distance between the near point and the far point

What is the near point of the eye?

• The ability of the eye to focus objects lying at different distances

• The maximum distance up to which the normal eye can see things clearly

• The point nearest to the eye at which an object is visible distinctly

• The distance between the near point and the far point