Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 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 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
... if mixed with yellow , as * " Nature , " 20 , pp . 477 , 611 , 637 ( 1879 ) ; " Contemporary Review , " May , 1880 . E are most reds , it appears yellow mixed with gray STRUCTURE OF THE RETINA . 63 Hall, 61; color-blindness, 62; theory of,
... if mixed with yellow , as * " Nature , " 20 , pp . 477 , 611 , 637 ( 1879 ) ; " Contemporary Review , " May , 1880 . E are most reds , it appears yellow mixed with gray STRUCTURE OF THE RETINA . 63 Hall, 61; color-blindness, 62; theory of,
Página 64
... appears yellow mixed with gray , or a kind of brown ; or if mixed with blue ( purple ) , it ap- pears as blue mixed with gray , or slate - blue . A pure green appears simple gray ; a yellow - green , yellow mixed with gray - i . e ...
... appears yellow mixed with gray , or a kind of brown ; or if mixed with blue ( purple ) , it ap- pears as blue mixed with gray , or slate - blue . A pure green appears simple gray ; a yellow - green , yellow mixed with gray - i . e ...
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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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