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Question
Draw a ray diagram to show how Hypermetropia is defect can be corrected using a lens.
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Solution
Corrected vision for a hypermetropic eye by using a convex lens:
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RELATED QUESTIONS
About 45 lac people in the developing countries are suffering from corneal blindness. About 30 lac children below the age of 12 years suffering from this defect can be cured by replacing the defective cornea with the cornea of a donated eye. How and why can students of your age involve themselves to create awareness about this fact among people?
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What is long-sightedness? State the two causes of long-sightedness (or hypermetropia). With the help of ray diagrams, show:
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b) What are the possible reasons for this eye defect?
c) How this defect is corrected, write it in brief?
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Explain the Term: Hypermetropia
Complete the following sentence with appropriate word :
An inability to focus on nearby objects due to loss of elasticity of the lens with age is called Iris.
