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Question
Name the following:
Two kinds of accomodations.
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Solution
Myopia and Hypermetropia.
RELATED QUESTIONS
Do you know that the corneal-impairment can be cured by replacing the defective cornea with the cornea of the donated eye? How and why should we organise groups to motivate the community members to donate their eyes after death?
Explain two possible reasons of myopia. How can it be corrected? Explain with a suitable diagram.
What are the two most common defects of vision (or defects of eye)? How are they corrected?
Draw a ray diagram to show how Hypermetropia is defect can be corrected using a lens.
Explain the Term: Presbyopia
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.
Due to elongation of _______ and increase in curvature of the eye lens, a person cannot see distant objects clearly.
What are the causes of ‘Myopia’?
A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power:
Draw ray diagram showing myopic eye.
