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Bennett's Ophthalmic Prescription Work

Autor Kelvin Wakefield
en Limba Engleză Paperback – 23 oct 2000
All too often the technical jargon and mystery surrounding various manufacturing processes can seem daunting at best and confusing at worst. However, this practical and down-to-earth book aims to demystify manufacturing optics, taking the subject out of its academic ivory tower and putting it firmly where it belongs in the real world of the industry, workshop and the clinic.

Prepared by an optical technician with extensive teaching and practical experience, Kelvin Wakefield has written text in a clear and approachable style, avoiding formulae or technical jargon.

This classic text will continue to be a valuable introduction for everyone entering the field of retail and manufacturing optics including dispensing opticians, optical assistants, technicians and receptionists.
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Specificații

ISBN-13: 9780750646697
ISBN-10: 0750646691
Pagini: 367
Ilustrații: 234 ills.
Dimensiuni: 156 x 234 x 22 mm
Greutate: 0.58 kg
Ediția:4
Editura: Elsevier
Locul publicării:United Kingdom

Public țintă

Optical technicians, laboratory staff, optical assistants, NVQ scheme students, receptionists, manufacturers

Cuprins

PART ONE: General introduction; The ophthalmic lens industry and materials; The spectacle frame industry and materials; Spectacle frame nomenclature; Spectacle frame dimensions; Lens shapes and sizes; The prescription order form; Spherical lenses; Astigmatic lenses; Toric lenses; Chapter revision; PART TWO: Optical centration; Ophthalmic prisms; Neutralisation; The focimeter (lens analyser or lensmeter); Glazing; Inspection/final verification; Chapter revision; PART THREE: Fused multifocals; Glass solid multifocals; Resin multifocals; Progressive lenses (PALs - progressive addition lenses); Franklin (split) and 'bonded' lenses; High powered and lenticular lenses; Aspheric lenses; Anti-reflection, tinted and protective lenses; Lens surfacing/manufacturing; PART FOUR APPENDICES: Vertex power allowances; Sags of lens surfaces; Powers of cylinders at oblique meridians; Decentrations and prismatic effects; Compensation for change in vertex distance; Flow chart for a prescription house; Index.

Recenzii

'As a basic, understandable, guide it is unique and Wakefield has faithfully maintained Arthur Bennett's clarity, precision and readability ... certainly for all concerned with ophthalmic prescriptions this handy book is invaluable.'
Professor Robet Fletcher, Optical World