Instantly: Pinhole glasses work because they allow only the light to the center of the eye. They are limited by little or no peripheral vision and requiring lots of light. They are mostly a gimmick.
Answered 6/21/2013
5k views
3 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question