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प्रश्न
Name the following:
The eye defect caused due to shortening of the eye ball from front to back.
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उत्तर
Hypermetropia
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संबंधित प्रश्न
A student is unable to see clearly the words written on the blackboard placed at a distance of approximately 4 m from him. Name the defect of vision the boy is suffering from. Explain the method of correcting this defect.
Draw ray diagram for the:-
(i) defect of vision and also
(ii) for its correction.
What is the scientific name of
long-sightedness?
Your friend can read a book perfectly well but cannot read the writing on blackboard unless she sits on the front row in class.
Is she short-sighted or long-sighted?
State one role of ciliary muscles in the human eye.
Give Reason:
When you enter into a dark room from bright because of sunlight, you can not see things for a few seconds.
Explain the Term: Cataract
Name the following:
The defect of the human eye caused due to the uneven surface of the cornea.
Study the following diagram carefully and then answer the questions that follow. The diagram is depicting a defect of the human eye :
(i) Identify the defect shown in the diagram.
(ii) Give two possible reasons for the above defect.
Nearsightedness: elongated eyeball : : farsightedness: _______
