Question

write any three difference between short sightedness and long sightedness

Answer 1

three differences of myopia
1. the converging power is high and focal length decrese
2. eye ball is too long
3. the people couldn't see far object lens used concave
hypermetropia
1. eye ball too short

2. the converging power is less and focal length is increse
3. people couldn't see near object and used convex lens
i hope u get help
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Answer 2

short sightedness :

1) it is also called myopia
2) the eyeball gets enlongated
3) focal length becomes too short
4)power is high

long sightedness :

1) it is also called hypermetropia
2) the eyeball is too small
3) focal length becomes elongated
4) power too small