Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
Dentro del libro
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Página 29
... all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a little behind the center of the lens . CHAPTER II . THE EYE AS AN OPTICAL INSTRUMENT . FORMATION OF THE IMAGE . 29.
... all radiants cross each other in the lens . This point of ray - crossing is called the nodal point . It is a little behind the center of the lens . CHAPTER II . THE EYE AS AN OPTICAL INSTRUMENT . FORMATION OF THE IMAGE . 29.
Página 54
... 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 , surrounded FIG . 20 . A ...
... 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 , surrounded FIG . 20 . A ...
Página 72
... 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 lens , in it is evident that these lines must cross each 72 MONOCULAR VISION .
... 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 lens , in it is evident that these lines must cross each 72 MONOCULAR VISION .
Página 73
... cross each other there . In other words , the lines forming correspondent points space and on the retina cross each other in the nodal point , and therefore the positions of these correspondent points , external and internal , are ...
... cross each other there . In other words , the lines forming correspondent points space and on the retina cross each other in the nodal point , and therefore the positions of these correspondent points , external and internal , are ...
Página 79
... crosses over the blind spot to the other side , when the object immedi- ately reappears . The accompanying diagram , Fig . 25 , illustrates this phe- nomenon . Let A and B rep- resent the two objects , and R and I the positions of the ...
... crosses over the blind spot to the other side , when the object immedi- ately reappears . The accompanying diagram , Fig . 25 , illustrates this phe- nomenon . Let A and B rep- resent the two objects , and R and I the positions of the ...
Otras ediciones - Ver todas
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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