what is the apple of my eye

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..

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 ..

Each eye in man is protected by two eyelids - upper and lower. The upper lid moves and covers the eye at regular intervals. This is called blinking. This action protects the eye from foreign particles. In certain animals, like the fishes and frogs, there is a third ey..

One of the most complicated optical devices is the human eye. Let us see the construction of the human eye and then the mechanism of image formation. Human eye is spherical in shape and diameter of about 2.5cm. Sclerotic is a tough, opaque and white substance forming t..