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:
1912
Catalogue details

Licence: In copyright

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

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

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    CONTENTS. CHAPTER I. PAGE Definition.—Names.—Principle and Value of Retinoscopy.— Suggestions to the Beginner, i CHAPTER II. Retinoscope.—Light.—Light-screen.—Bracket.—D.^rk Room.— Source of Light and Position of Mirror.—Observer and Patient.—Luminous Retinoscope, 6 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 Illumina- tion.—Shadow.—Where to Look and What to Look For, ... 17 CHAPTER IV. Point of Revers.a.l.—To Find the Point of Reversal.—What to Avoid.—Direction of Movement of Retinal Illumination.— Rate of Movement and Form of Illumination.—Rules for Lenses.—Movement of Mirror and Apparatus, 27 CHAPTER V. Retinoscopy in Emmetropia and the Various Forms of Regular Ametropia.—Axonometer, 37 CHAPTER VI. Retinoscopy in the Various Forms of Irregular Ametropia.— Retinoscopy without a Cycloplegic.—The Concave Mirror. —^Description of the Author's Schematic Eye and Light- screen.—Lenses for the Study of the Scissor Movement, Conic Cornea, and Spheric Aberration, 54 INDEX, 69