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November 1950

Principles of Ophthalmology.

AMA Arch Ophthalmol. 1950;44(5):758-760. doi:10.1001/archopht.1950.00910020770018

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  • Deviations from the Two-Quanta Explanation for Threshold-Values When the Flash-Time and the Visual-Angle of the Test Spot are Large

    1. Our Confirmation of the Two-Quanta Theory When t < τ and d < D

    2. Discussion of the Deviations

  • The Two-Quanta Hypothesis as a General Explanation for the Behaviour of Threshold-Values for the Several Receptors of the Human Eye

    1. The Experimental Arrangement

    2. The Peripheral Threshold-Measurements

    3. The Central-Foveal Threshold-Measurements

    4. The Mutual Dependence of the Receptors of Different Kinds in the Retina

  • Some Properties of the Nervous System of the Visual Sense

    1. The Nerve-Elements

    2. Some Properties of the Transmission in the Nervous System

  • The Sensitivity Dependence on Wave-Length for Foveal and Peripheral Vision and the Fundamental Response Curves

    1. Introduction

    2. The Peripheral Sensitivity Measurements

    3. The Foveal Sensitivity Measurements

  • The Quanta-Explanation and the Brightness-Impression

    1. The Experiments

    2. Discussion

  • Dependence on

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