Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 62
... cone vibrate with different degrees of rapidity , and therefore respond to different colors , and that the conical form is adapted for this purpose . In order to gain clearer conception , we may imagine each cone to be made up of a ...
... cone vibrate with different degrees of rapidity , and therefore respond to different colors , and that the conical form is adapted for this purpose . In order to gain clearer conception , we may imagine each cone to be made up of a ...
Página 64
... cones are the responsive elements , and that differ- ent kinds of rods or cones respond to different primary colors , then in the retina of the color - blind the rods or cones responding to red and green are wanting ; or , by Hall's ...
... cones are the responsive elements , and that differ- ent kinds of rods or cones respond to different primary colors , then in the retina of the color - blind the rods or cones responding to red and green are wanting ; or , by Hall's ...
Página 70
... cones , or those portions of the cones , which co - vibrate with red ; therefore , when we look elsewhere , of the different colors which make up white light , the retina is least sensitive to red , and therefore the other rays will ...
... cones , or those portions of the cones , which co - vibrate with red ; therefore , when we look elsewhere , of the different colors which make up white light , the retina is least sensitive to red , and therefore the other rays will ...
Página 72
... cone - in the retina has its invariable correspondent in the visual field , and vice versa . Moreover , since the central ray of the pencil of every radiant point in the external world passes through the nodal point of the crystalline ...
... cone - in the retina has its invariable correspondent in the visual field , and vice versa . Moreover , since the central ray of the pencil of every radiant point in the external world passes through the nodal point of the crystalline ...
Página 74
... cones , and these are far smaller , and therefore more numerous , than elsewhere ; being here , as already seen ( page 58 ) , only 100 of an inch in diameter . Function of the Central Spot . - Every point on the reti- na , as already ...
... cones , and these are far smaller , and therefore more numerous , than elsewhere ; being here , as already seen ( page 58 ) , only 100 of an inch in diameter . Function of the Central Spot . - Every point on the reti- na , as already ...
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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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