Question

A person is ot able to read the book comfortably but is able to read the matter written at far-off distance?Name the defect of the vision he is suffering from.What is the cause for this defect?With the help of the ray diagram show that how can this defect be corrected​

Answer 1

Explanation:

farsightedness is the disorder. the cornea become flat, eyeball is shorter than normal and image form beyond retina instead on the retina.

thus defect can be corrected by convex lens using correct power

Answer 2

ANSWER : FARSIGHTNESS IS THE DEFECT THAT IS MYOPIA. THE CORNEA OF OUR EYE BECOME FLAT AND EYE BALL IS SORTED THEN THE A NORMAL PERSON EYE'S AND THE IMAGE FORMED BEYOND RETINA IT'S SHOW DULLNESS AND YOUR EYE BECOME VERY DULL THE PERSON CANNOT SEE BEFORE BEFORE 25 CM AND THE PERSON CAN SEE UP TO INFINITE DISTANCE...

THUS , THIS DEFECT WILL CURED BY CORRECT POWER OF CONCAVE LENS DUE TO ITS CONVERGING POWER OF LENS.