Ophthalmology Elementary Optics f5d29c89

The optical procedure being done is used for:

Objective refraction

Subjective adjustment of cylinder

Binocular balancing of vision

Subjective refinement of cylinder

High-Yield Explanation

Ans. (d) Subjective refinement of cylinderRef: Khurana optics 2/e, p. 153The instrument seen in the image is the Jackson cross cylinder (over the trial frame) - which is used for subjective refinement of cylinder.

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The optical procedure being done is used for:

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