Page 127 - Genius Kidz Prudence Learning Sc-8

resource for visually challenged people. The present braille system was adopted in the year 1932.

E In older ages, cataract occurs due to the cloudiness of convex lens of the eye.

E Suzi : It can be corrected !!!
by simple replacement of
E Crab has small eyes but can look in all directions. It convex lens"!
can even sense the enemy approaching from behind.

! Light enables us to see.
! The bouncing back of light rays followed by its falling on a smooth shiny surface is called as
reflection.
! Lateral inversion is the reversion of the object image when seem in mirror.
! Eyes are the organ of vision.

! Myopia, Hypermetropia and cataract are the examples of eye defects.

EXERCISE
EXERCISE

1. Multiple choice question.
(a) Which type of cells are responsible for colour vision:

(i) Cones (ii) Cornea (iii) Rods (iv) Pupil

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