Below is a common instrument used in ophthalmology. In order to view the entire retina what is the power of lens you would like to attach to the instrument
Correct Answer: +20 D
Description: Ans. (d) +20 DRef: Yanoff & Ducker 4/e, p. 89*Instrument is indirect ophthalmoscope.*Condensing lens commonly used is 20D biconvex lens.#Magnification=PoweroflensPowerofeye =20D60D =3times
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Ophthalmology
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