Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xvi
... represented by an unmodified cellular structure , performing all the func- tions of the animal body , but in an imperfect manner . Each cell in such an organism will feel like a nervous cell , contract like a muscular cell , respire ...
... represented by an unmodified cellular structure , performing all the func- tions of the animal body , but in an imperfect manner . Each cell in such an organism will feel like a nervous cell , contract like a muscular cell , respire ...
Página 14
... represents the outer case . 2. The more protuberant part of the ball is covered with a thick , strong , but very transparent membrane , called the cornea ( C , Fig . 4 ) . It corresponds to the crystal of the watch . Its function is to ...
... represents the outer case . 2. The more protuberant part of the ball is covered with a thick , strong , but very transparent membrane , called the cornea ( C , Fig . 4 ) . It corresponds to the crystal of the watch . Its function is to ...
Página 52
... represent it on a smaller scale of enlargement as composed of three principal layers : First , the innermost layer , f , Fig . 23 , in contact with the vitreous humor , V , is composed wholly of fine inter- laced fibers of the optic ...
... represent it on a smaller scale of enlargement as composed of three principal layers : First , the innermost layer , f , Fig . 23 , in contact with the vitreous humor , V , is composed wholly of fine inter- laced fibers of the optic ...
Página 66
... represents the state of the retina . With the eyes open , we call it the field of view , filled with objects ; with the eyes shut , it is the field of darkness - visible , palpable darkness , without visible objects . The one is the ...
... represents the state of the retina . With the eyes open , we call it the field of view , filled with objects ; with the eyes shut , it is the field of darkness - visible , palpable darkness , without visible objects . The one is the ...
Página 68
... represented by the diagram ( Fig . 27 ) , in FIG . 27 . S which SS and RR represent the spatial and retinal concaves --a sort of ma- crocosm and mi- crocosm - with straight lines of rays of light connecting . A ray from a point d in ...
... represented by the diagram ( Fig . 27 ) , in FIG . 27 . S which SS and RR represent the spatial and retinal concaves --a sort of ma- crocosm and mi- crocosm - with straight lines of rays of light connecting . A ray from a point d in ...
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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