Which of the following statements is not correct about myopia
a) it is also known as near sightedness
b) the vision may be corrected with help of concave lens
c) in the affected eye, the image of a distant object is formed beyond the retina
d) the person affected by it cannot see beyond few metres
A person is suffering from the defect astigmation. Its main reason is
a) distance of the eye lens from retina is increased
b) distance of the eye lens from retina is decreased
c) the cornea is not spherical
d) power of accommodation of the eye is decreased
…….cannot be corrected with spectacles
a) presbyopia
b) hypermetropia
c) cataract
d) myopia
……..is a kind of vision in which an animal/human being having two eyes is able to perceive the single three dimensional image of the surrounding.
a) concave vision
b) convex vision
c) binocular vision
d) dim vision
Binocular vision is a kind of vision in which an animal/human being having two eyes is able to perceive the single three dimensional image of the surrounding. It helps with the performance skills like grasping, Catching and locomotion.
The amount of light entering the eye is controlled by the…….
a) pupil
b) iris
c) cornea
d) eye lens
Human eye focuses image on retina by
a) to and fro motion of eye lens
b) to and fro motion of retina
c) varying convexity of eye lens
d) varying refractive index of eye fluid
