Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
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Página 85
... referred back along the same ray - line to its true place in space . Thus , for every radiant point in the object there is a correspondent focal point in the retinal image ; and every focal point is referred back along its ray - line to ...
... referred back along the same ray - line to its true place in space . Thus , for every radiant point in the object there is a correspondent focal point in the retinal image ; and every focal point is referred back along its ray - line to ...
Página 99
... referred to the plane of sight , PP ( which , however , is not the fact ) , as is usually represented in diagrams , then the position of the dou- ble images will be correctly represented by cc ' , SINGLE AND DOUBLE IMAGES . 99.
... referred to the plane of sight , PP ( which , however , is not the fact ) , as is usually represented in diagrams , then the position of the dou- ble images will be correctly represented by cc ' , SINGLE AND DOUBLE IMAGES . 99.
Página 172
... referred to a spherical concave perpendicular to the line of sight in every position , is represented in Fig . 58. Simple inspection of this fig- ure shows the real direction and amount of rotation both of the vertical and the ...
... referred to a spherical concave perpendicular to the line of sight in every position , is represented in Fig . 58. Simple inspection of this fig- ure shows the real direction and amount of rotation both of the vertical and the ...
Página 209
... referred to a plane perpendicular to the visual plane . By calculation and careful plotting , I find that at the FIG . 74 . distance of 15 inches the convergence of the first two lines , 6 inches apart , for a plane inclined 8 ° , is ...
... referred to a plane perpendicular to the visual plane . By calculation and careful plotting , I find that at the FIG . 74 . distance of 15 inches the convergence of the first two lines , 6 inches apart , for a plane inclined 8 ° , is ...
Página 213
... referred to the plane of sight P P. Now every one who has ever tried the experiment knows that the double images are not thus referred in natural vision ; but , on the con- R trary , they are seen at their real distance ,. CHAPTER III ON ...
... referred to the plane of sight P P. Now every one who has ever tried the experiment knows that the double images are not thus referred in natural vision ; but , on the con- R trary , they are seen at their real distance ,. CHAPTER III ON ...
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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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