Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 52
... horizontal and a vertical plane will be equal . This is necessary to bring all rays to a perfect point at the same distance . But eyes are found in which the horizontal curvature of the cornea or of the crys- talline , or both , is ...
... horizontal and a vertical plane will be equal . This is necessary to bring all rays to a perfect point at the same distance . But eyes are found in which the horizontal curvature of the cornea or of the crys- talline , or both , is ...
Página 88
... horizontally . Now the rays from the light ( L , Fig . 27 ) which penetrate the center of the pupil will pass directly on without refrac- tion except what is normal , and make its image ( Fig . FIG . 28 . a L 28 , L ' ) on the central ...
... horizontally . Now the rays from the light ( L , Fig . 27 ) which penetrate the center of the pupil will pass directly on without refrac- tion except what is normal , and make its image ( Fig . FIG . 28 . a L 28 , L ' ) on the central ...
Página 92
... horizontal direction the field of view of both eyes is more than 180 ° . Now , there being two retinæ , there are of course two retinal images of every external object ; and since retinal images are projected outward into space as ex ...
... horizontal direction the field of view of both eyes is more than 180 ° . Now , there being two retinæ , there are of course two retinal images of every external object ; and since retinal images are projected outward into space as ex ...
Página 99
... horizontal cir- cle passing through the point of sight and the centers of the eyes , O O ' , are usually supposed to be seen single . This is nearly true , except when the point of sight is very near . This circle has been called the ...
... horizontal cir- cle passing through the point of sight and the centers of the eyes , O O ' , are usually supposed to be seen single . This is nearly true , except when the point of sight is very near . This circle has been called the ...
Página 123
... horizontal plane of sight , so that the back and the upper edge are visible . If we shut the left eye , we see the back , the upper edge , 1. The retinal image and the whole right side , thus . formed in the right eye is exactly like ...
... horizontal plane of sight , so that the back and the upper edge are visible . If we shut the left eye , we see the back , the upper edge , 1. The retinal image and the whole right side , thus . formed in the right eye is exactly like ...
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Términos y frases comunes
angle bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo depth of space distant objects distinct double images evident exactly Experiment external images farther Fcap fibers field of view focal adjustment foreground forms of perspective Frontispiece heteronymously horizontal horopter identical points Illustrations impression inches inclination interocular space jects judgments Large post 8vo left eye lens light line of sight look median plane monocular motion muscles naked eyes nearer nose object or scene observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perception of depth perfectly Poems point of sight position projection represent retina retinal images right and left right eye rotation screen Second Edition seen single side Small crown 8vo stereoscope stereoscopic pictures Third Edition tion torsion turn the eyes visual lines visual result vols
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