Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xiv
... MOTION SECTION I. - LAWS OF PARALLEL MOTION : LISTING'S LAW , 185 ; experiments illustrating , 185–193 ; statement of the laws , 194 ; contrary statements of Helmholtz , 196 ; rotation in parallel motion only apparent , 197 . SECTION II ...
... MOTION SECTION I. - LAWS OF PARALLEL MOTION : LISTING'S LAW , 185 ; experiments illustrating , 185–193 ; statement of the laws , 194 ; contrary statements of Helmholtz , 196 ; rotation in parallel motion only apparent , 197 . SECTION II ...
Página 12
... motions , so far from subserving any useful purpose , would only confuse us with double im- ages , as will be explained hereafter , and therefore have never been learned . * Malpositions of the eye , such as squinting , are the re- sult ...
... motions , so far from subserving any useful purpose , would only confuse us with double im- ages , as will be explained hereafter , and therefore have never been learned . * Malpositions of the eye , such as squinting , are the re- sult ...
Página 63
... motions of the eye . This spectrum , on a bright ground , like the sky , to my eye is first green , then blue , then purple , then rose , and so gradually fades away . The spectrum is equally seen when the eye is shut ; but then being ...
... motions of the eye . This spectrum , on a bright ground , like the sky , to my eye is first green , then blue , then purple , then rose , and so gradually fades away . The spectrum is equally seen when the eye is shut ; but then being ...
Página 64
... motions . This experiment succeeds best when we are just waked up in the morning , and while the retina is still sensitive from long rest . The experiment may be varied thus : Lay a small patch of vermilion red - such as a red wafer ...
... motions . This experiment succeeds best when we are just waked up in the morning , and while the retina is still sensitive from long rest . The experiment may be varied thus : Lay a small patch of vermilion red - such as a red wafer ...
Página 65
... follow the motions of the eye . We are now prepared to generalize from these ob- servations . It is evident that what we call the field of view is naught else than the external projection into space SPACE PERCEPTION . 65.
... follow the motions of the eye . We are now prepared to generalize from these ob- servations . It is evident that what we call the field of view is naught else than the external projection into space SPACE PERCEPTION . 65.
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Términos y frases comunes
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision blind spot camera central spot ciliary muscle circle colors combined image concave corresponding points cross defect depth of space distance distant objects distinct divergence double images evident exactly Experiment explained external images farther fibers field of view focal fore fovea Helmholtz heteronymous homonymous horizontal horopter horopteric line Illustrations impression inches inclined interocular space left eye left-eye image lens light line of sight look median plane middle monocular motion muscles nearer normal eye nose oblique observer ocular optic axes optic chiasm optic nerve optic vesicle outward parallel perceived perception perfectly phantom phenomena point of sight position primary projection pupil ray-line rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single sensation side stereoscope surface tion torsion turn the eyes vergence vibrations visual lines visual result