Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 25
... unite to form this wonderful organ . Now the sole object of this complex instrument is the formation of a perfect image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly ...
... unite to form this wonderful organ . Now the sole object of this complex instrument is the formation of a perfect image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly ...
Página 54
... unite , and partially cross their fibers at the optic chiasm , ch ; then , again diverging , enter the conical eye - sockets a little to the interior of the point ; then pass through the midst of the fatty cushion behind the eye ...
... unite , and partially cross their fibers at the optic chiasm , ch ; then , again diverging , enter the conical eye - sockets a little to the interior of the point ; then pass through the midst of the fatty cushion behind the eye ...
Página 102
... unite to form one fiber , or at least terminate centrally in one brain - cell , and thus form one single sense - impression . It is almost needless to say that , while this is an interesting speculation , it is no- thing more ; for the ...
... unite to form one fiber , or at least terminate centrally in one brain - cell , and thus form one single sense - impression . It is almost needless to say that , while this is an interesting speculation , it is no- thing more ; for the ...
Página 109
... unite to form what seems to be one finger . There will be therefore apparently three images : the middle one ( the combined images ) is opaque like an object ; the other two , uncombined , are transparent like ordinary double images ...
... unite to form what seems to be one finger . There will be therefore apparently three images : the middle one ( the combined images ) is opaque like an object ; the other two , uncombined , are transparent like ordinary double images ...
Página 117
... unite the figures beyond the real plane —i . e . , on the plane P ' P ' . In this case the figures will be proportionately enlarged , as shown by the diagram . But it is difficult by this method to make the image clear , the reason for ...
... unite the figures beyond the real plane —i . e . , on the plane P ' P ' . In this case the figures will be proportionately enlarged , as shown by the diagram . But it is difficult by this method to make the image clear , the reason for ...
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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