Optician Abo Study Guide Questions And Correct Answers

Retina {Ans: in the back of the eye, brings objects into focus}2 degrees of pantoscopic tilt {Ans: the optical center of a lens should be lowered 1mm for every}most minus power @ 90 degrees {Ans: normally a standard slab off is ground on the lens with the}Aqueous layer {Ans: thickest layer that has water, salts, and protein for cornea}polyvinyl alcohol {Ans: the material found in rx polarized lenses}UVA {Ans: absorbed by crystalline lens}