The 16.95mm eye has a 16mm focal length. What optical power do glasses need for such an eye.
| April 25, 2021 | education
f = 16 mm = 0.016 m.
D -?
The optical power of the lens D is called the reciprocal of the focal length f and is determined by the formula: D = 1 / f.
D = 1 / 0.016 m = 62.5 diopters.
Since D = 62.5 diopters> 0, a collecting lens is needed.
Answer: the optical power of the lens is D = 62.5 diopters.
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