What are the 3 three main vision problems?!


Question:

What are the 3 three main vision problems?

please give me the {three main} repeat only {3 main vision problems}


Answers:

The 3 main ones are:
1. Myopia a.k.a Short Sightedness: The person is only able to see nearby objects. The most common type of ailment in young adults.

2. Hypermetropia a.k.a Long Sightedness: The person is only able to see faraway objects and nearby objects appear blurred.

3. Presbyopia : This is a condition which affects everyone at a certain age. As the person ages, the focussing power of the eyelens diminishes due to the weakening of the ciliary muscles. As a result the person has difficulty in focussing clearly. for e.g. old people normally have to hold a book at a distance while reading to see clearly




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