eye test machines

The Eye - Our eye is the most important natural optical instrument. The eye is nearly spherical in shape with a slight bulge in the front par..

The Eye - Our eye is the most important natural optical instrument. The eye is nearly spherical in shape with a slight bulge in the front par..

Our eye is the most important natural optical instrument. The eye is nearly spherical in shape with a slight bulge in the front par..

Our eye is the most important natural optical instrument. The eye is nearly spherical in shape with a slight bulge in the front par..

From times immemorial, man has used machines to help him in his work. Today, we are dependent on machine for almost every task. When we think of machines we always tend to think of big and complicated units with many moving parts like wheels and rollers and gears and s..

It is a device which helps us to do the work at one point and deliver at another point with a view of accomplishing the work more easily or with a gain in speed. We use machines to multiply force or to change the direction of the force or to increase or decrease the speed etc. Cutting pl..

The eye lens is a convex lens made of a transparent jelly - like proteinaceous material. The eye lens is hard at the middle and gradually becomes soft towards the outer edges. The eye lens is held in position by ciliary muscles. The ciliary muscles help in changing th..

The light coming from an object enters the eye through cornea and pupil. The eye lens converges these light rays to form a real, inverted and diminished image on the retin..

The light coming from an object enters the eye through cornea and pupil. The eye lens converges these light rays to form a real, inverted and diminished image on the retin..

The light coming from an object enters the eye through cornea and pupil. The eye lens converges these light rays to form a real, inverted and diminished image on the retina. The light sensitive cells of the retina gets activated with the incidence of light and generate electric ..