Ineed some with this im really struggling with it.

tom’s father is 48 years old. he is not able to see nearby objects clearly. what may be the reason for his vision problem? where are images formed in this type of defected vision? how is this defect corrected?

This condition is Hyperopia (farsightedness). Light rays entering the eye focus behind retina.Corrected by wearing glasses with convex lenses.

Explanation:

The hyperopia defect occurs when there is difficultly with viewing near objects but far objects can be seen clearly.The light rays entering the eye do not directly focus on the retina but are formed creating the problem.It can happen with short eye ball than normal or a weaker reflective power of the lens.Convex lenses are used in glasses to ensure light rays are converge further forward in the eye.

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Keywords Vision defects, Hyperopia, Convex lenses