Question

state two causes of the above defect​

Answer 1

Answer:

which one you are trying to say please tell more

Answer 2

The reasons for the defect are as follows:

• The given diagram shows that the rays from the objects meet at a point behind the retina of the eye.

• This means the image of the object is formed behind the retina. Hence, it is a case of Hypermetropia or far-sightedness.
• The two causes of this may be:

1. The eye lens becomes thin and thus its focal length increases than normal.
2. The curvature of the eyeball has shortened.

(The complete question is: Given Below is a Diagrammatic Representation of a Defect of The Human Eye: (I) Identify the Defect (II) Mention Two Reasons for the Above Defect)