Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 7
... MOTION CHAPTER I. • SECTION 1. - LAWS OF 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 ...
... MOTION CHAPTER I. • SECTION 1. - LAWS OF 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 ...
Página 20
... motions , so far from subserving any useful purpose , would only confuse us with double images , as will be explained hereafter , and therefore have never been learned . Malpositions of the eye , such as squinting , are the result of ...
... motions , so far from subserving any useful purpose , would only confuse us with double images , as will be explained hereafter , and therefore have never been learned . Malpositions of the eye , such as squinting , are the result of ...
Página 69
... motions of the eye . This spectrum , on a bright ground , like the sky , to my eye is first green , then blue , then purple , and so gradually fades away . The spectrum is equally seen when the eye is shut ; but then , being pro- jected ...
... motions of the eye . This spectrum , on a bright ground , like the sky , to my eye is first green , then blue , then purple , and so gradually fades away . The spectrum is equally seen when the eye is shut ; but then , being pro- jected ...
Página 70
... 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 71
... 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 of retinal states . All variations of state of ...
... 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 of retinal states . All variations of state of ...
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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 cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result