Professional Ophthalmic DispensingProfessional Press, 1970 - 549 páginas |
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Página 215
... measurement itself . For many many years the technique of P.D. measurement has been argued , and the physio- logical ... measure- ments with the same plastic or wooden millimeter rule , or P.D. stick , they have always used . Of course ...
... measurement itself . For many many years the technique of P.D. measurement has been argued , and the physio- logical ... measure- ments with the same plastic or wooden millimeter rule , or P.D. stick , they have always used . Of course ...
Página 221
... measurement taken between the centers of the entrance pupils . But it is not correct where the pupils are of unequal diameter . In these rather rare instances , either measure from the pupil centers , or take the mean of two regular ...
... measurement taken between the centers of the entrance pupils . But it is not correct where the pupils are of unequal diameter . In these rather rare instances , either measure from the pupil centers , or take the mean of two regular ...
Página 472
... Measured from the apex of the bevel to the highest por- tion of the segment on the concave side of lens . To provide ... measure the power through the distance portion . The measurement through the distance portion must be made as far ...
... Measured from the apex of the bevel to the highest por- tion of the segment on the concave side of lens . To provide ... measure the power through the distance portion . The measurement through the distance portion must be made as far ...
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