Contact lens


 
 
Concept Explanation
 

Contact lens

Contact Lens:

A contact lens is a small lens which is worn directly on the cornea. It has one clear advantage over spectacles. When a person wearing spectacles looks through the corner of the eye, the cornea and the centre of the lens are not in line. As a result, the peripheral view gets distorted. Since a contact lens moves with the cornea, this problem does not arise. Apart from this, some people may prefer contact lenses for cosmetic reasons.

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Sample Questions
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Question : 1

Which one of the following are the uses of contact lens

1. Contact lens moves with the cornea

2. Cosmetic reasons.

3 Low cost.

Right Option : B
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Question : 2

The contact lenses can affect the _____________________ and can cause infections.

Right Option : A
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Question : 3

_________ is a small lens which is worn directly on the cornea.

Right Option : C
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Explanation
 
 


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