Question

show the following with well labelled diagram :- a) eye of a person suffering from long sightedness. b)corrected from long sightedness?​

Answer 1

Explanation:

Far sightedness is Hypermetropia

short sightedness is Myopia

Answer 2

• Long sightedness or hypermertropia is caused due to

i) low converging power of eye lens

ii) due to eye ball being too short

• In hypermetropic eye , the image of nearby object lyindg at near point N is formed behind the retina

• Near point of hypermetropic eye shifts farther than Near point of normal eye .

• Convex lens is used to rectify hypermetropic eye . As , it forms virtual image of object lying at N at new Normal point of affected eye .