The purpose of this blog is to provide a brief resume of
the types of spectacle lenses available to the patient
for better vision (visual needs).
Here we can discuss and share all about ophthalmic lenses, theories, individual findings, inventions, optical standards, tolerance, errors, complex optics and more..
Monday, July 18, 2011
Simplified way to find diameter for a single vision lens!
NB: In case of different PD in right and left, use mono ocular PD and double it instead of taking IPD.