Fill in the Blanks

1. The ability of the eye to focus both near and distant objects, by adjusting its focal length, is called the ……….. of the eye.

2. ……….. of light causes the blue colour of sky and reddening of the Sun at sunrise and sunset.

3. Most of the refraction of light rays entering the eye occurs at the outer surface of the ……….. .

4. Due to the greater converging power of the eye lens in a myopic eye, the image of distant object is formed ……….. the retina.

5. A person suffering from both myopia and hypermetropia uses ……….. leases.