Refraction and Muscular Imbalance

About this eBook

Author

Woolf, Daniel, 1884?-1932

Title

Refraction and muscular imbalance, as simplified through the use of the ski-optometer

Original Publication

New York: Theodore S. Holbrook, 1921.

Credits

deaurider and the Online Distributed Proofreading Team at www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

Language

English

LoC Class

RE: Medicine: Ophthalmology

Subject

Eye -- Muscles

Category

Text

Project Gutenberg

eBook-No. 71517

Release Date

August 29, 2023

Copyright

Public domain in the USA.

Contents

1. 1.Refraction and Muscular Imbalance
2. 2.Untitled
3. 3.INTRODUCTORY
4. 4.Chapter I SKI-OPTOMETER CONSTRUCTION — Convex Spherical Lenses — Operates and Indicates Automatically — Concave Spherical Lenses
5. 5.Chapter II CYLINDRICAL LENSES — Obtaining Correct Focus — Why Concave Cylinders Are Used Exclusively — Transposition of Lenses
6. 6.Chapter III HOW THE SKI-OPTOMETER ASSISTS IN REFRACTION — The Use of the Ski-optometer in Skioscopy — A Simplified Skioscopic Method — Employing Spheres and Cylinders in Skioscopy — Use of the Ski-optometer in Subjective Testing — A Simplified Subjective Method — Procedure for Using Minus Cylinders Exclusively — Constant Attention Not Required
7. 7.Chapter IV IMPORTANT POINTS IN CONNECTION WITH THE USE OF THE SKI-OPTOMETER — Elimination of Trial-Frame Discomfort — Rigidity of Construction — How to Place the Ski-optometer in Position — Cleaning the Lenses — Accuracy Assured in Every Test — Built to Last a Lifetime
8. 8.Chapter V CONDENSED PROCEDURE FOR MAKING SPHERE AND CYLINDER TEST WITH THE SKI-OPTOMETER — Subjective Distance Test — Subjective Reading Test
9. 9.Chapter VI MUSCULAR IMBALANCE — The Action of Prisms — The Phorometer — The Maddox Rod — Procedure for Making the Muscle Test — Binocular and Monocular Test
10. 10.Chapter VII THE BINOCULAR MUSCLE TEST — Made with the Maddox Rod and Phorometer — Esophoria and Exophoria — Making Muscle Test Before and After Optical Correction — When to Consider Correction of Muscular Imbalance — Four Methods for Correction of Muscular Imbalance — The Rotary Prism — Use of the Rotary Prism in Binocular Muscle Tests
11. 11.Chapter VIII THE MONOCULAR DUCTION MUSCLE TEST — Made with Both Rotary Prisms — Locating the Faulty Muscle — Adduction — Abduction — Superduction — Subduction — Procedure for Monocular Muscle Testing — Diagnosing a Specific Muscle Case
12. 12.Chapter IX FIRST METHOD OF TREATMENT OPTICAL CORRECTION — Esophoria — Treatment for Correcting Esophoria in Children
13. 13.Chapter X SECOND METHOD OF TREATMENT— MUSCULAR EXERCISE — Exophoria — An Assumed Case — Effect of Muscular Exercise — Home Treatment for Muscular Exercise— Square Prism Set Used in Conjunction With the Ski-Optometer
14. 14.Chapter XI THIRD METHOD OF TREATMENT—PRISM LENSES — When and How Employed — Prism Reduction Method
15. 15.Chapter XII A CONDENSATION OF PREVIOUS CHAPTERS ON THE PROCEDURE FOR MUSCLE TESTING WITH THE SKI-OPTOMETER — Four Methods of Treating an Imbalance Case When the Preceding One Fails — Prisms — Cyclophoria
16. 16.Chapter XIII CYCLOPHORIA — Made with Maddox Rods and Rotary Prisms
17. 17.Chapter XIV CYCLODUCTION TEST — Made With the Combined Use of the Two Maddox Rods — Treatment for Cyclophoria
18. 18.Chapter XV MOVEMENTS OF THE EYEBALLS AND THEIR ANOMALIES — Monocular Fixation — Binocular Fixation — Orthophoria — Heterophoria — Squint — Varieties of Heterophoria and Squint
19. 19.Chapter XVI LAW OF PROJECTION — Suppression of Image — Monocular Diplopia — Movement of Each Eye Singly — Subsidiary Actions — Field of Action of Muscles — Direction of the Gaze — Primary Position—Field of Fixation — Binocular Movements — Parallel Movements — Eye Associates — Movements of Convergence — Movements of Divergence — Vertical Divergence — Orthophoria — Heterophoria — Subdivisions
20. 20.Chapter XVII SYMPTOMS OF HETEROPHORIA — Treatment — Destrophoria and Laevophoria
21. 21.Untitled

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