Explains the "how" and "why" behind lens selection to help you better understand and meet the vision needs of those you serve
Includes in-depth discussions of all types of lenses, including multifocal, progressive, absorptive, safety, recreational, aspheric, high index, and lens coatings
Provides updated coverage of the latest dispensing procedures and equipment
Discusses the use of spectacle lenses for the control of myopia
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
Features more than 600 interactive review questions along with answers, explanations, and worked problems—all newly revised for this edition
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
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 B: Special-Purpose Frames C: Correcting Vertical Imbalance for Both Distance and Near Viewing
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