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If the retina makes correct signals but the visual area of the brain is affected, why will vision be difficult?

Answer and explanation

Correct answer: Because the brain is necessary to interpret the signal

The retina contains photoreceptors that convert light into electrical signals and pass them through the optic nerve. These signals alone are not the complete experience of seeing. The visual areas of the brain analyse and interpret patterns, colour, shape, and movement. If that area is damaged, retinal signals may still be produced but cannot be properly understood as vision. Therefore option A is correct; the other choices contradict eye anatomy or physiology.

Related tags

RetinaVisual CortexVisionControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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