Science, asked by akash566, 1 year ago

which device is used to measure the power of lens?


Qwerty11111: A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmicinstrument. It is mainly used by optometristsand opticians to verify the correct prescription in a pair of eyeglasses, to properly orient and mark uncut lenses, and to confirm the correct mounting of lenses in spectacle frames. 

Answers

Answered by rehan67
2
power of a lens is not measured by any device it is measured by calculating the It by the formula P=1/f where f is focal length P is power and 1 is in meter

rehan67: mark me brainleist pls
Answered by Anonymous
0
I think a optical center

Qwerty11111: A lensmeter or lensometer, also known as a focimeter or vertometer, is an ophthalmic instrument. It is mainly used by optometrists and opticians to verify the correct prescription in a pair of eyeglasses, to properly orient and mark uncut lenses, and to confirm the correct mounting of lenses in spectacle frames. 
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