Question

write about those questions in brif​

Answer 1

There are mainly three common refractive defects of vision. These are (i) myopia or near-sightedness (ii) Hypermetropia or far – sightedness (iii) Presbyopia. Myopia is also known as near-sightedness. A person with myopia can see nearby objects clearly but cannot see distant objects distinctly.

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Answer 2

Explanation:

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• Refractive Errors.
• Age-Related Macular Degeneration.
• Cataract.
• Diabetic Retinopathy.
• Glaucoma.
• Amblyopia
• Strabismus.

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Correction of defects:Vision problems such as myopia and hyperopia can be corrected with lenses that help focus light on the retina. Myopia is corrected with a concave lens, while hyperopia is corrected with a convex lens.