Sight : an exposition of the principles of monocular and binocular vision / by Joseph Le Conte.

  • Joseph LeConte
Date:
1883
Catalogue details

Licence: Public Domain Mark

Credit: Sight : an exposition of the principles of monocular and binocular vision / by Joseph Le Conte. Source: Wellcome Collection.

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    PAGE 2. Similar objects, 112; experiments illustrating, 112-113; Case 3. Many similar objects regularly arranged, 115; experi- ments illustrating, 115; dissociation of consensual adjust- ments, 117; experiment illustrating, 118; general conclu- sions, 118. CHAPTEE III. Binocular Perspective ..... 120 Experiments illustrating, 120-123; stereoscopy, 125 ; stereoscopic pictures, 126; how taken, 127; combination of stereoscopic pictures;, 128 ; with the naked eyes, 128 ; experiments illus- trating, 129-133; combination by the use of the stereoscope, 134; inverse perspective, 135; experiments illustrating, 136- 141; different forms of perspective, 142; aerial, 142 ; mathe- matical, 142 ; monocular or focal, 142; binocular, 143. CHAPTEE IV. Theories of Binocular Perspective . . . 145 Wheatstone’s theory, 145 ; Briicke’s theory, 147 ; Dove’s experi- ment, 148; my own view, 151; return to comparison of the eye with the camera, 152. CHAPTEE V. Judgment of Distance, Size, and Form . . . 156 Judgment of distance, 156 ; different modes of, 156; size, 157; ex- periments illustrating, 158,159; form, 160; outline form, 160; solid form, 160; gradation of judgments, 160; retrospect, 162. PART III. ON SOME DISPUTED POINTS IN BINOCULAR VISION. CHAPTEE I. Laws of Ocular Motion . . . . .164 Section I.—Laws op Parallel Motion : Listing’s law, 164; experiments illustrating, 164-172; the statement of the laws, 173; contrary statement by Helmholtz explained, 175; rota- tion on optic axes in parallel motion only apparent, 176. Section II.—Laws of Convergent Motion, 177; the rotation in this case real, 178; difficulty in experimenting, 178; ex- periments proving rotation on optic axes in convergence, 180-187; effect of elevation and depression of visual plane, 188; experiments illustrating, 188; cause of the rotation, ^ 189; laws of parallel and convergent motion contrasted, 189.
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