Pinhole can reduce refractive error up to –
Correct Answer: 3 D
Description: Pin-hole test: It helps in confirming whether the optical correction in the trial frame is correct or not.
An improvement in visual acuity while looking through a pinhole indicates that optical correction in the trial frame is incorrect.
PPinholecan reduce refractive error upto 3 D.
Category:
Ophthalmology
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