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In this investigation contrast threshold measurements are compared with supra-threshold perception for a group of human amblyopes. The results indicate that human amblyopia involves, in some cases, not only loss of sensitivity but spatial distortion. Thus a new group of amblyopes can now be identified in which only distortion occurs. These results have important physiological implications for both the normal and abnormal visual systems. Neurophysiologists investigating visual loss from deprivation should assess whether similar distortions occur in animals. This question may hold the answer to whether the present animal models are relevant to the human condition.

Type

Journal article

Journal

Pflugers arch

Publication Date

30/11/1978

Volume

377

Pages

201 - 207

Keywords

Amblyopia, Humans, Light, Space Perception, Vision Tests, Visual Perception