Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
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Página 9
... necessary for the complex relations of the higher ani- mals , sensory nerve - fibers are differentiated into several kinds , so that each may give clear knowledge of differ- ent properties . Thus , for example , the first.
... necessary for the complex relations of the higher ani- mals , sensory nerve - fibers are differentiated into several kinds , so that each may give clear knowledge of differ- ent properties . Thus , for example , the first.
Página 13
... necessary , found only in the optic nerve . Above the number just given , ethereal vibrations are perceived as different colors , in the order seen in the spectrum , until 831,000,000,000 , - 000 is reached . Beyond this we have no ...
... necessary , found only in the optic nerve . Above the number just given , ethereal vibrations are perceived as different colors , in the order seen in the spectrum , until 831,000,000,000 , - 000 is reached . Beyond this we have no ...
Página 23
... and slightly flattens it . We shall see the importance of this when we come to speak of the adjustment of the eye for distance . The perfect transparency of the lens is obviously necessary for. GENERAL STRUCTURE OF THE EYE . 23.
... and slightly flattens it . We shall see the importance of this when we come to speak of the adjustment of the eye for distance . The perfect transparency of the lens is obviously necessary for. GENERAL STRUCTURE OF THE EYE . 23.
Página 24
... necessary for distinct vision ; cataract , a common cause of blindness , arises from its opacity . The lens , with its continuing curtain , completely divides the interior of the ball into two compartments , an anterior and a posterior ...
... necessary for distinct vision ; cataract , a common cause of blindness , arises from its opacity . The lens , with its continuing curtain , completely divides the interior of the ball into two compartments , an anterior and a posterior ...
Página 25
... necessary that rays from different points in the object , even the most contiguous , should not mix on the image , but all the rays from each point on the object must be carried to its own point on the image . Now , it is im- possible ...
... necessary that rays from different points in the object , even the most contiguous , should not mix on the image , but all the rays from each point on the object must be carried to its own point on the image . Now , it is im- possible ...
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Términos y frases comunes
angle axis 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 diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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