Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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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 ...
Página 122
... unite the farther ends bb ' , then by greater con- vergence the middle points , and then by still greater convergence the nearer ends a a ' , the three projections above given are obtained ; but it is obviously impossi- ble to unite all ...
... unite the farther ends bb ' , then by greater con- vergence the middle points , and then by still greater convergence the nearer ends a a ' , the three projections above given are obtained ; but it is obviously impossi- ble to unite all ...
Página 123
... unite the farther part and see it single , but the nearer part or back is double , thus- If we look at the nearer part or back , then this is seen single , but the farther edge is now double , thus . But by no effort is it possible to ...
... unite the farther part and see it single , but the nearer part or back is double , thus- If we look at the nearer part or back , then this is seen single , but the farther edge is now double , thus . But by no effort is it possible to ...
Página 124
... unite the nearer parts , the farther will be double ; and when by less convergence we unite the farther parts , the nearer will be double . Therefore the eyes run rapidly and uncon- sciously back and forth , uniting successively ...
... unite the nearer parts , the farther will be double ; and when by less convergence we unite the farther parts , the nearer will be double . Therefore the eyes run rapidly and uncon- sciously back and forth , uniting successively ...
Página 128
... unite perfectly , the combined image or scene is indistinct . Myopic eyes will not ex- perience this difficulty , and in normal eyes it may be remedied by the use of slightly convex glasses . Such glasses supplement the lenses of the ...
... unite perfectly , the combined image or scene is indistinct . Myopic eyes will not ex- perience this difficulty , and in normal eyes it may be remedied by the use of slightly convex glasses . Such glasses supplement the lenses of the ...
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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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