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Ophthalmology

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Refraction and Optics

Question
40 out of 41
 

Maturation of visual reflexes is accomplished by (LQ)



A 4 months
B 1 year

C 2 years
D 3 years

Ans. A [4 months] Q

The new born’s eye is short, generally hypermetropic and fovea is immature

1. The critical period for developing the fixation reflex in both unilateral and bilateral visual deprivation disorder is between 2 and 4 months of age. Any cataract dense enough to impair vision must be dealt with before this age and the earliest possible time is preferred.

2. Maturation of infant visual function has been studied by two techniques the pattern visual evoked potential (VEPs) and preferential looking behavior. In children younger than 2 years the VEP test proves more successful. In children over 2 years who can manage both tests

Refraction and Optics Flashcard List

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