Match the List-I with the List-II from the co | vedclass

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(C) The correct matches are as follows:$1$. Presbyopia: This is a defect where the eye loses its power of accommodation with age. It is corrected usin

Vedclass · Accepted Answer

$I-D; II-B; III-A; IV-C$

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(C) The correct matches are as follows:$1$. Presbyopia: This is a defect where the eye loses its power of accommodation with age. It is corrected using a bifocal lens $(I-D)$.$2$. Hypermetropia (Farsightedness): This is corrected by using a convex lens of appropriate power to converge light rays onto the retina $(II-B)$.$3$. Astigmatism: This defect occurs due to the irregular curvature of the cornea. It is corrected using a sphero-cylindrical lens $(III-A)$.$4$. Myopia (Nearsightedness): This is corrected by using a concave lens of suitable focal length to diverge light rays before they enter the eye $(IV-C)$.Therefore, the correct combination is $I-D, II-B, III-A, IV-C$.

$(I)$ Presbyopia	$(A)$ Sphero-cylindrical lens
$(II)$ Hypermetropia	$(B)$ Convex lens of proper power may be used close to the eye
$(III)$ Astigmatism	$(C)$ Concave lens of suitable focal length
$(IV)$ Myopia	$(D)$ Bifocal lens of suitable focal length

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