Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 12
... more rapid undulations . These vibrations , inaudible to us , may possibly be perceived by some lower animals , as , for example , insects ; we can not tell . After a long interval , vibrations again appear 12 INTRODUCTORY .
... more rapid undulations . These vibrations , inaudible to us , may possibly be perceived by some lower animals , as , for example , insects ; we can not tell . After a long interval , vibrations again appear 12 INTRODUCTORY .
Página 13
... appear in consciousness as light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe ...
... appear in consciousness as light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe ...
Página 45
... appear indistinct when the distant obj is distinct since mon bec . Wh . are bookestat Etingar o rayoo light or any pt , de distant are refracted more th thay and & bec & lens is in Condin for near rays ' t : they crops in fimul or ...
... appear indistinct when the distant obj is distinct since mon bec . Wh . are bookestat Etingar o rayoo light or any pt , de distant are refracted more th thay and & bec & lens is in Condin for near rays ' t : they crops in fimul or ...
Página 54
... appear first beneath the base of the brain as the optic roots , rr ' , Fig . 20 , converge , unite , and partially cross their fibers at the optic chiasm , ch ; then , again diverging , enter the conical eye - sockets a little to the ...
... appear first beneath the base of the brain as the optic roots , rr ' , Fig . 20 , converge , unite , and partially cross their fibers at the optic chiasm , ch ; then , again diverging , enter the conical eye - sockets a little to the ...
Página 63
... , as * " Nature , " 20 , pp . 477 , 611 , 637 ( 1879 ) ; " Contemporary Review , " May , 1880 . are most reds , it appears yellow mixed with gray STRUCTURE OF THE RETINA . 63 Hall, 61; color-blindness, 62; theory of,
... , as * " Nature , " 20 , pp . 477 , 611 , 637 ( 1879 ) ; " Contemporary Review , " May , 1880 . are most reds , it appears yellow mixed with gray STRUCTURE OF THE RETINA . 63 Hall, 61; color-blindness, 62; theory 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