Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 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
... 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 , it is evident that these lines must cross each other 72 MONOCULAR VISION .
... 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 , it is evident that these lines must cross each other 72 MONOCULAR VISION .
Página 73
... cross each other there . In other words , the lines forming correspondent points in 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 in 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 L 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 L the positions of the ...
Otras ediciones - Ver todas
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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