In low light condition, your pupil will be

In bright light condition, your pupil will be

The coloured part that we see in an eye is

The back of the eye; an upside-down image of whatever you are looking at is projected here.

Which structure is an opening that regulates the amount of light that enters the eye?

Light enters the eye through a thin membrane called the

The shape of eye-ball is nearly _________________

_________________ send signals to the brain

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 _____________ requires bi-focal lens.

Following is true for Hypermetropia

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

The image formed on the retina of the human eye is

Convex lens is used to correct this defect.

The ability of eye lens to adjust its focal length to form a sharp image of the object at varying distances on the retina is called____________________

A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power

The focal length of the eye lens increases when eye muscles

The light sensitive cell present on retina and is sensitive to the intensity of light is:

A person having a myopic eye used the concave lens of focal length of 50 cm. Calculate the power of a lens.

The far point of a myopic person is 40 cm in front of the eye. What is the nature of the lens and power of the lens required to correct the problem?

The near point of a hypermetropic eye is 50cm. What is the power of a lens is required to correct this defect. Assuming that the near point of the normal human eye is 25 cm.

Photo receptors that detect colour are called..

which eye defect does the given image represent

which vision defect does the given figure represent

The power of accommodation for the normal human eye is....

What is the maximum focal length of human eye

The point of maximum distance at which the eye lens can form an image on the retina is called

The point of minimum distance at which the eye lens can form an image on the retina is called

The upper part of the bi-focal lens is -------

Which vision defect is corrected in the given diagram

The value of angle of vision of a healthy person is

Eye lens is adjust its focal length to a minimum value of ----

The degree of convergence or divergence of light rays that can be achieveed by a lens is called ---- of the lens.

What is the focal length of the lens and type of lens, if the power of the lens is -4 D,

Units of power of lens is