If optical and opticians are coded as 76 and 87 respectively glasses will be 288099
Since the index of refraction of the tear layer and the cornea are very similar, you now have a regular optical surface in place of an irregular one If the curvature of a contact lens is not the same as the cornea (as may be necessary with some individuals to obtain a comfortable fit), the tear layer between the contact and cornea acts as a lensA multifocal lens having a center optical zone for creating a first focal point within 2° of the optical axis and a peripheral optical zone located adjacent the center optical zone for creating a second focal point from 2° to 10° of the optical axis, the peripheral optical zone having a correction of at least 2 diopters more than the center optical zoneThe aim of the study was to investigate the prevalence of induced prismatic effects due to poorly fitting spectacle frames A sample of 100 spectacle wearing subjects was selected as participants Document If optical and opticians are coded as 76 and 87 respectively glasses will be ...
