Given below is a diagrammatic representation of a defect of the human

1.	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.(iii) State how the defect can be rectified.(iv) Name the part of the eye responsible for maintaining the shape of the eyeball.
Answer» (i) Hypermetropia (Far-sightedness) because image is behind the retina. (ii) Reasons for hypermetropia are: 1. Shortening of eyeball from front to back. 2. Lens becomes too flat. (iii) It can be rectified by using convex lenses of appropriate power (focal Iength). (iv) Sclerotic (or sclera).

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.(iii) State how the defect can be rectified.(iv) Name the part of the eye responsible for maintaining the shape of the eyeball.

Answer»

(i) Hypermetropia (Far-sightedness) because image is behind the retina.

(ii) Reasons for hypermetropia are:

1. Shortening of eyeball from front to back.

2. Lens becomes too flat.

(iii) It can be rectified by using convex lenses of appropriate power (focal Iength).

(iv) Sclerotic (or sclera).