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Understanding Lens Surfacing

Clifford W. Brooks (Autor)

Buch | Hardcover

399 Seiten

1991
Butterworth-Heinemann Ltd (Verlag)
978-0-7506-9177-2 (ISBN)

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A text on the basic and changing technologies for preparing lens surfaces for grinding. Featuring review problems, examples and summaries of important points in step-by-step tables, it covers all stages - single vision, bifocal, trifocal, progressive addition and speciality lenses.

Review of optics; the lens blank; layout for single vision lens surfacing; layout and marking of flat top and curved top lenses; layout and marking of round seg and blended bifocal lenses; layout and marking of Franklin style lenses; basic concepts in finding tool curves lens thickness; additional factors influencing tool curves and lens thickness; blocking and cribbing; generating; lap tools; fining and polishing; deblocking, verifying and hard coating; high powered lenses; progressive add lenses; creating horizontal prism with the near add; vertical imbalance corrections; alternatives to lens surfacing; safety eyewear standards.

Erscheint lt. Verlag	9.12.1991
Zusatzinfo	284 illustrations, glossary, appendix, bibliography, index
Verlagsort	London
Sprache	englisch
Maße	210 x 297 mm
Gewicht	1482 g
Themenwelt	Medizin / Pharmazie ► Gesundheitsfachberufe
ISBN-10	0-7506-9177-8 / 0750691778
ISBN-13	978-0-7506-9177-2 / 9780750691772
Zustand	Neuware