Question 18 Incorrect Mark 0.00 out of 1.00 The major cause for the decrease in

Question

Question 18 Incorrect Mark 0.00 out of 1.00 The major cause for the decrease in accommodation amplitude with aging is Select one: a. A decrease in the elasticity of the lens b. A decrease in the number of photoreceptors c. A decrease in ciliary muscle strength d. An increase in the elasticity of the lens X e. An increase in ciliary muscle strength Question 19 ncorrect Mark 0.00 out of 1.00 In near response pupil size increases and this has the advantage of reducing the curvature of the lens Select one: True X False Question 20 Incorrect Mark 0.00 out of 1.00 The change in sensitivity of the eye to a maintained unchanging light is called Select one: a. Acuity b. Threshold of sensitivity C. Accommodation d. Adaptation e. Cilio-spinal reflex X

Explanation / Answer

18. The major cause of decrease in accomadation when againg is the decrease in ciliary muscle strength i.e c which cause ciliary muscles ineffective functioning. While in 20th the change in sensitivity of eye to maintain unchanging light is vision acuity i.e. a. And for 19.th it is false.

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