Professional Ophthalmic DispensingProfessional Press, 1970 - 549 páginas |
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Página 189
... lens , single vision and bifocal . The great advantage offered by plastic lens manufacture is that since the lenses are molded into shape , almost any lens profile or design is theoretically possible . • Because of the safety ...
... lens , single vision and bifocal . The great advantage offered by plastic lens manufacture is that since the lenses are molded into shape , almost any lens profile or design is theoretically possible . • Because of the safety ...
Página 206
... lenses were bent to a standard 1.25D curve . Minus lenses had a front curve of + 1.25DS and plus lenses a back curve of -1.25DS . Incidentally , these were the first " base curves . " ( The curve that is the flatter , or of less ...
... lenses were bent to a standard 1.25D curve . Minus lenses had a front curve of + 1.25DS and plus lenses a back curve of -1.25DS . Incidentally , these were the first " base curves . " ( The curve that is the flatter , or of less ...
Página 545
... - Lead oxide , in lens manufacture , 198 Lens ( see Crystalline lens , Lenses ) Lenses achromatic , development of , 198 American Standard Requirements for , 470 bends of , 206 boxing system of measurement , 228 cataract ( see Cataract ...
... - Lead oxide , in lens manufacture , 198 Lens ( see Crystalline lens , Lenses ) Lenses achromatic , development of , 198 American Standard Requirements for , 470 bends of , 206 boxing system of measurement , 228 cataract ( see Cataract ...
Índice
History | 3 |
Plastics and Plastic Frames | 15 |
Ophthalmic Fashion and Style | 41 |
Direitos de autor | |
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Palavras e frases frequentes
absorptive acetate angle Angstrom Units anisometropia anti-reflection coating aphakic appearance bevel bifocal cataract correct cosmetic course crown glass curve cylinder lens dark diopters dispenser's dispensing store edge effect endpieces entrance pupil eyewear face fashion feel fitting frame color front function heat important insertion kind lens design light look lower rim manufacturers matter measure metal millimeter multifocal myope normal nose nosepads ophthalmic dispensing optical center optical coatings optician pair of glasses patient penser perhaps plano plastic frames plastic lenses practitioner presbyopic prescriber prescription professional reading reason receptionist reflected refractive refractive index rocking pads salesman seems segment selling shade shape spectacle frame style sunglasses supply lab surface technique temples thickness thing tint tion ultraviolet UNIVERSITY OF CALIFORNIA usually vertex distance vertical vision visual wavelengths wear glasses word young zyl frame