Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 35
Página 8
... vertical meridian , 197 ; experiments testing its truth , 198 ; adverse conclusion reached , 201 ; Meissner's results , experiments proving , 203 ; my results confirm Meissner's , 206 ; experiments proving , 206-210 ; conclusions in ...
... vertical meridian , 197 ; experiments testing its truth , 198 ; adverse conclusion reached , 201 ; Meissner's results , experiments proving , 203 ; my results confirm Meissner's , 206 ; experiments proving , 206-210 ; conclusions in ...
Página 52
... vertical plane will be equal . This is necessary to bring all rays to a perfect point at the same distance . But eyes are found in which the horizontal curvature of the cornea or of the crys- talline , or both , is different from the ...
... vertical plane will be equal . This is necessary to bring all rays to a perfect point at the same distance . But eyes are found in which the horizontal curvature of the cornea or of the crys- talline , or both , is different from the ...
Página 88
... vertically and convex horizontally . Now the rays from the light ( L , Fig . 27 ) which penetrate the center of the pupil will pass directly on without refrac- tion except what is normal , and make its image ( Fig . FIG . 28 . L 28 , L ...
... vertically and convex horizontally . Now the rays from the light ( L , Fig . 27 ) which penetrate the center of the pupil will pass directly on without refrac- tion except what is normal , and make its image ( Fig . FIG . 28 . L 28 , L ...
Página 94
... vertical plane through the nose , and dividing the head into two symmetrical halves ) , and separated by a considerable distance - say one 8 inches and the other 18 to 20 inches from the eyes . Now , if we look at the farther finger ...
... vertical plane through the nose , and dividing the head into two symmetrical halves ) , and separated by a considerable distance - say one 8 inches and the other 18 to 20 inches from the eyes . Now , if we look at the farther finger ...
Página 96
... vertical lines ( vertical meridians ) , a b , a ' b ' , through the central spots , so as to divide the retina into two equal halves , then the right halves would correspond point for point , and the left halves would correspond point ...
... vertical lines ( vertical meridians ) , a b , a ' b ' , through the central spots , so as to divide the retina into two equal halves , then the right halves would correspond point for point , and the left halves would correspond point ...
Otras ediciones - Ver todas
Sight: An Exposition of the Principles of Moonocular and Binocular Vision Joseph Le Conte Sin vista previa disponible - 2017 |
Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result