Your friend is having eye sight problem. She is not able to see clearly a distant uniform window mesh and it appears to her as non-uniform and distorted. The doctor diagnosed the problem as:

Q. How is the eye able to see distant and near things so clearly?

Q. A man can read the number of a distant bus clearly but is not able to read a book clearly. Which defect of the eye is he suffering from?

Q. Riya cannot clearly see the bird sitting on a tree with naked eyes. However, when she used her spectacles of power –4 dioptre, she was able to see it clearly. Calculate the focal length of her lens.​

Q. The far point of a near sighted person is 6.0 m from her eyes, and she wears contacts that enable her to
see distant objects clearly. A tree is 18.0 m away and 2.0 high. How high is the image formed by the contacts?

Q. Though a woman can see the distant objects clearly, she cannot see the nearby objects clearly. She is suffering from the defect of vision called ?
(a) long-sight (b) short-sight (c) hind-sight (d) mid-sight