Retinoscopy : (or shadow test) in the determination of refraction at one meter distance, with the plane mirror / by James Thorington.

  • Thorington, James, 1858-1944.
Date:
1899
Catalogue details

Licence: Public Domain Mark

Credit: Retinoscopy : (or shadow test) in the determination of refraction at one meter distance, with the plane mirror / by James Thorington. Source: Wellcome Collection.

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    CONTENTS. CHAPTER I. PAGE Definition.—Names.—Principle and Value of Retinoscopy — Suggestions to the Beginner '9-23 CHAPTER II. Retinoscope.—Light.—Light-screen.—Dark Room.—Source of Light and Position of Mirror.—Observer and Patient, . 24-30 CHAPTER III. Distance of Surgeon from Patient.—Arrangement of Patient, Light, and Observer.—Reflection from Mirror.—How to Use the Mirror.—What the Observer Sees.—Retinal Illumination.—Shadow.—Where to Look and What to Look For, 31-39 CHAPTER IV. Point of Reversal.—To Find the Point of Reversal.—What to Avoid.—Direction of Movement of Retinal Illumina- tion.—Rate of Movement and Form of Illumination.— Rules for Lenses.—Movement of Mirror and Apparatus, 40-50 CHAPTER V. Retinoscopy in Emmetroi-ia and the Various Forms of Regu- lar Ametropia.—Axonometer, 51-67 CHAPTER VI. Retinoscopy in the Various Forms of Irregular Ametropia.— Retinoscopy without a Cycloplegic—The Concave Mir- ror.—Description of the Author's Schematic Eye and Light-screen. — Lenses for the Study of the Scissor Movement, Conic Cornea, and Spheric Aberration, . . . 68-83 INDEX, 85_86