Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 25
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
Joseph LeConte. it is evident that these lines must 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 ...
Joseph LeConte. it is evident that these lines must 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 ...
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 ...
Términos y frases comunes
angle animals axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle Cloth colors combined images cones corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects left eye left-eye image lens light line of sight look median line monocular motion muscles naked eyes natural nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection ray-lines rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single shut side Sociology stereoscope surface T. H. HUXLEY tion torsion vertical meridian vibrations visual lines visual result vols
Pasajes populares
Página 275 - Animal Mechanism : a Treatise on Terrestrial and Aerial Locomotion. By Professor EJ Marey. With 117 Illustrations. Second Edition. Crown 8vo, 5*.
Página 275 - XXII. The Theory of Sound in its Relation to Music. By Prof. Pietro Blaserna.
Página 275 - The Intellectual Development of Europe." Price, $1.75. No. 13. THE DOCTRINE OF DESCENT, AND DARWINISM. By Prof. OSCAR SCHMIDT, Strasburg University.