System for Ophthalmic Dispensing,Elsevier E-Book on VitalSource, 4th Edition
Elsevier eBook on VitalSource
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Explains the "how" and "why" behind lens selection to help you better understand and meet the vision needs of those you serve.
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Includes in-depth discussions of all types of lenses, including multifocal, progressive, absorptive, safety, recreational, aspheric, high index, and lens coatings.
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Provides updated coverage of the latest dispensing procedures and equipment.
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Discusses the use of spectacle lenses for the control of myopia.
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Contains more than 700 high-quality figures demonstrating how to adjust frames, the optics of lenses, and how light travels through lenses. Photos are all taken from the perspective of the person who is adjusting the frame.
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Features more than 600 interactive review questions along with answers, explanations, and worked problems—all newly revised for this edition.
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An eBook version is included with purchase. The eBook allows you to access all of the text, figures and references, with the ability to search, customize your content, make notes and highlights, and have content read aloud.
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1 Frame Types and Parts
2 Frame Measurements and Markings
3 Measuring the Interpupillary Distance
4 Frame Selection
5 Reference Point Placement, Multifocal Height, and Blank Size Determination
6 Ordering and Verification
7 Lens Insertion
8 Standard Alignment
9 Adjusting the Frame
10 Frame Repairs and Modifications
11 Review of Elementary Mathematical Principles
12 Characteristics of Ophthalmic Lenses
13 Lens Curvature and Thickness
14 Optical Considerations With Increasing Lens Power
15 Optical Prism: Power and Base Direction
16 Optical Prism: Decentration and Thickness
17 Fresnel Prisms and Lenses
18 Lens Design
19 Segmented Multifocal Lenses
20 Progressive Addition Lenses
21 Anisometropia
22 Absorptive Lenses
23 Lens Materials, Safety Eyewear, and Sports Eyewear
24 How Lenses Are Edged
Appendix A: ANSI Z80.1 Prescription Ophthalmic Lenses—Recommendations
Appendix B: Special-Purpose Frames
Appendix C: Correcting Vertical Imbalance for Both Distance and Near Viewing
Proficiency Test Answer Key
Glossary
Index