Light enters the eye through a thin membrane called the

The shape of eye-ball is nearly _________________

Following controls and regulates the amount of light entering the eye

_________________ send signals to the brain

When the light is very bright, the diameter of pupil

When an object is placed closer to eye ____________

To see an object comfortably and distinctly, we must hold it about _______ cm from our eyes.

The ability of the eye lens to adjust its focal length is called

The farthest point upto which the eye can see objects clearly is ____________ for a normal eye.

Following is far-sightedness

The person who is suffering from the following disease cannot donate eyes.

The person who is suffering from _____________ requires bi-focal lens.

Following is true for Hypermetropia

Having two eyes facilitates in

A: Increasing the field of view

B: Bringing three-dimensional view

C: Developing the concept of distance/size

Then the correct option is/are

the black opening between the aqueous humour and the lens is called

The defect of vision in which the person is able to see distant object distinctly but cannot see nearby objects clearly is called

Myopia and Hypermetropia can be corrected by

The image formed on the retina of the human eye is

When the light rays enters the eye, most of the refraction occurs at the