Fitting GP Lenses Part 2 - Mark Andre 

Cool Video. Now I get why they use this test. :-)

thnk u sir for great informations

A sensible view

excellent . thanks

Sir RGP lenses comes only in spherical power or have a toric lensez also? And how much of cylinder will be corrected by spherical power of RGP lens. Please clear my doubts by reply m ASAP. Thanks Sir☺

Tq so much sir love u