Ophthalmic Optics. Contact Lenses. Determination of Water Content of Hydrogel Lenses


Book Description

Optics, Ophthalmic equipment, Contact lenses, Water content determination, Gravimetric analysis, Dry weight determination, Precision, Accuracy, Refractive index, Optical measurement, Testing conditions, Chemical analysis and testing, Specimen preparation, Error correction




Ophthalmic Optics. Contact Lenses. Measurement Methods


Book Description

Optics, Optical instruments, Contact lenses, Ophthalmic equipment, Ophthalmology, Optical measurement, Curvature, Radius, Focal length measurement, Dimensional measurement, Diameter measurement, Thickness measurement, Surface defects, Testing conditions, Test specimens, Calibration, Ophthalmic test equipment, Reproducibility, Precision










Manual of Contact Lens Prescribing and Fitting


Book Description

Part I. Basic Concepts -- 1. Anatomy and Physiology -- 2. Anterior Segment Disease and Contact Lenses -- 3. Examination and Instrumentation -- 4. Patient Selection new -- 5. CL optics new -- Part II. Gas-Permeable lenses -- 6. Gas-Permeable Lens Design and Fitting -- 7. Gas-Permeable Lens Fitting and Eyelid Geometry -- 8. Gas-Permeable Lens Fluorescein Patterns -- 9. Gas-Permeable Lens Materials -- 10. Modification and Verification -- 11. Gas-Permeable Lenses for Astigmatism -- 12. Gas-Permeable Lens Care and Patient Education -- 13. Gas-Permeable Cases -- Part III. Soft Lenses -- 14. Soft Lens Design, Fitting, and Physiologic Response -- 15. Soft Lens Materials -- 16. Soft Contact lenses and the Tear film -- 17. Soft Contact Lenses for Astigmatism -- 18. Soft Contact Lens Care and Patient Education -- Part IV. Extended wear -- 19. Gas-Permeable Extended Wear and Complications -- 20. Soft Extended Wear and Complications -- Part V. Special Topics -- 21. Dry Eyes and Contact Lenses -- 22. Monovision and Bifocals -- 23. Translating Bifocals -- 24. Keratoconus -- 25. Post-Penetrating Keratoplasty -- 26. Aphakia -- 27. Refractive Surgery and Contact Lenses -- 28. Pediatric Contact Lenses -- 29. Orthokeratology -- 30. Colored lenses -- 31. Scleral lenses -- Appendix A: Extended Keratometer Range with +1.25 D and -1.00 D Lenses -- Appendix B: Vertex Conversion Table of Plus and Minus Powers -- Appendix C: Keratometer Conversion (Diopter to Millimeters).




Optics and Optical Instruments. Contact Lenses. Determination of Inclusions and Surface Imperfections for Rigid Contact Lenses


Book Description

Contact lenses, Optics, Optical instruments, Ophthalmic test equipment, Ophthalmology, Ophthalmic equipment, Surface defects, Inclusions, Defects, Size, Ratings, Designations, Classification systems, Test equipment, Testing conditions