Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 6
... nerve , 54 ; relations to the eye , 54 ; layers of retina , 55 ; bacillary layer , 55 ; cen- tral spot , 57 ; blind spot , 59 ; perception of color , 59 ; primary colors , 60 ; view of Brewster , 60 ; of Young , 60 ; of Hering , 60 ...
... nerve , 54 ; relations to the eye , 54 ; layers of retina , 55 ; bacillary layer , 55 ; cen- tral spot , 57 ; blind spot , 59 ; perception of color , 59 ; primary colors , 60 ; view of Brewster , 60 ; of Young , 60 ; of Hering , 60 ...
Página 9
... nerve - fibers are cylindrical threads of mi- croscopic fineness , terminating outwardly in the sensi- tive surfaces and sense - organs , and inwardly in the nerve - centers , especially the brain . Impressions on their outer extremity ...
... nerve - fibers are cylindrical threads of mi- croscopic fineness , terminating outwardly in the sensi- tive surfaces and sense - organs , and inwardly in the nerve - centers , especially the brain . Impressions on their outer extremity ...
Página 10
... nerve - is specially organized to respond to sound - vibrations , and nothing else ; and therefore mechanical irritation of this nerve produces only the sensation of sound . Similarly , the ninth pair , or gustative nerve , is organized ...
... nerve - is specially organized to respond to sound - vibrations , and nothing else ; and therefore mechanical irritation of this nerve produces only the sensation of sound . Similarly , the ninth pair , or gustative nerve , is organized ...
Página 11
... nerves . The following diagram ( Fig . 1 ) illus trates these successive differentiations . Gradation among the Senses . - Now all these higher special senses may be regarded as the result of refine- ments of common sensation - each a ...
... nerves . The following diagram ( Fig . 1 ) illus trates these successive differentiations . Gradation among the Senses . - Now all these higher special senses may be regarded as the result of refine- ments of common sensation - each a ...
Página 12
... nerves of common sen- sation , but a special nerve — the auditive — is organized to respond to or co - vibrate with them . As the vibrations increase in number , they are perceived as higher and higher pitch , until they reach the ...
... nerves of common sen- sation , but a special nerve — the auditive — is organized to respond to or co - vibrate with them . As the vibrations increase in number , they are perceived as higher and higher pitch , until they reach the ...
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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