Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 19
... bring into action the two superior recti ; if downward , the two inferior recti ; if to the right , the exterior rectus of the right and the interior rectus of the left eye ; if to the left , the external rectus of the left and internal ...
... bring into action the two superior recti ; if downward , the two inferior recti ; if to the right , the exterior rectus of the right and the interior rectus of the left eye ; if to the left , the external rectus of the left and internal ...
Página 20
... bring into action the two exterior recti to turn the eyes outward , nor the superior rectus of one eye and the inferior rectus of the other , so as to turn the one eye upward and the other downward . The reason of this is because such ...
... bring into action the two exterior recti to turn the eyes outward , nor the superior rectus of one eye and the inferior rectus of the other , so as to turn the one eye upward and the other downward . The reason of this is because such ...
Página 38
... bring a larger or a smaller hole in front of the lens . In the eye the same end is reached , in a far more perfect manner , by means of the iris . The iris ( Fig . FIG . 14 . A P FIG . 15 . HUMAN EYE , ENLARGED , WITH Part of CorNEA AND ...
... bring a larger or a smaller hole in front of the lens . In the eye the same end is reached , in a far more perfect manner , by means of the iris . The iris ( Fig . FIG . 14 . A P FIG . 15 . HUMAN EYE , ENLARGED , WITH Part of CorNEA AND ...
Página 41
... bring the receiving plate nearer the lens . So in the opera - glass we elongate the tube for near ob- jects , and shorten it for more distant . In the micro- scope , on the contrary , the image is usually thrown to the same place in the ...
... bring the receiving plate nearer the lens . So in the opera - glass we elongate the tube for near ob- jects , and shorten it for more distant . In the micro- scope , on the contrary , the image is usually thrown to the same place in the ...
Página 46
... bring out , in a clear and intelligible form , the beautiful struc- ture of the eye , by comparing it with the camera , and showing its superiority . But the eye of which we have been speaking is the normal or perfect eye . This normal ...
... bring out , in a clear and intelligible form , the beautiful struc- ture of the eye , by comparing it with the camera , and showing its superiority . But the eye of which we have been speaking is the normal or perfect eye . This normal ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cornea corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result