Question

The above image shows a corrective measure for a particular defect of vision.

1. Identify the defect of vision and state what kind of lens is used to correct this deficiency.
2. Draw and label a ray diagram that shows the defect of vision in the above case before correction.

Answer 1

1. The defect is hypermetropia (long-sightedness). It is corrected using a convex lens that converges light rays to form the image on the retina.
2. 
   
                                    Hypermetropic eye