Professional Ophthalmic DispensingProfessional Press, 1970 - 549 páginas |
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Página 27
... avoid trying to get both lenses inserted after one excessive heating of the entire front . Heat each rim separately and complete insertion of each lens individually . Assuming the insertions are into the 27 PLASTICS AND PLASTIC FRAMES.
... avoid trying to get both lenses inserted after one excessive heating of the entire front . Heat each rim separately and complete insertion of each lens individually . Assuming the insertions are into the 27 PLASTICS AND PLASTIC FRAMES.
Página 32
... heat , when he judges they should grip the patient's head a little more firmly . Presumably , he feels that the ... heat only the bridge , patiently . • To widen or narrow a plastic bridge , DON'T just heat and stretch or push together ...
... heat , when he judges they should grip the patient's head a little more firmly . Presumably , he feels that the ... heat only the bridge , patiently . • To widen or narrow a plastic bridge , DON'T just heat and stretch or push together ...
Página 186
... Heat , but of their relative Thermal Conductivity , which in nearly all substances changes as the reciprocal of Specific Heat . Substances consisting of energetic , free moving electrons ac- cept and transmit heat ( or cold ) rapidly ...
... Heat , but of their relative Thermal Conductivity , which in nearly all substances changes as the reciprocal of Specific Heat . Substances consisting of energetic , free moving electrons ac- cept and transmit heat ( or cold ) rapidly ...
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