Distinguish between myopia and hypermetropia pls....
Answers
Hyperopia or Long sightedness is when the short distance vision is weak and myopia or short sightedness is when the long distance vision is weak.
• In long sightedness, the reflections of objects are focused behind the retina and in short sightedness the reflections of objects are focused in front of the retina.
• To overcome long sightedness the reflections should be moved front to be focused on to the retina; therefore, convex glasses are used and to overcome short sightedness the reflections should be moved behind to be focused on to the retina; therefore, concave glasses are used.
• A long sighted person reads Snellen eye chart for long distance well but find difficult to read Jaeger eye chart for short distance, but a short sighted person reads Jaeger chart well but not the Snellen eye chart.
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