Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 6
... nose , and yet by experience we have learned to refer it to an object at a distance . In hear- ing , we already refer the cause so completely to a dis- tant object that there is but the smallest possible rem- nant of a consciousness of ...
... nose , and yet by experience we have learned to refer it to an object at a distance . In hear- ing , we already refer the cause so completely to a dis- tant object that there is but the smallest possible rem- nant of a consciousness of ...
Página 11
... nose and rotate it on its visual axis inward ; while the inferior rectus not only turns the eye downward , but also turns it inward toward the nose and rotates it on its visual axis outward . The oblique muscles are superior and ...
... nose and rotate it on its visual axis inward ; while the inferior rectus not only turns the eye downward , but also turns it inward toward the nose and rotates it on its visual axis outward . The oblique muscles are superior and ...
Página 12
... nose , then the two interior recti are brought into action . But we can not volun- tarily bring into action the two exterior recti to turn the eyes outward , nor the superior rectus of one eye and the inferior rectus of the other , so ...
... nose , then the two interior recti are brought into action . But we can not volun- tarily bring into action the two exterior recti to turn the eyes outward , nor the superior rectus of one eye and the inferior rectus of the other , so ...
Página 34
... the iris . But not so . The contraction is purely consensual , with strong convergence of the optic axes . If the other eye were open , it would be R seen to turn strongly inward toward the nose to look 34 MONOCULAR VISION .
... the iris . But not so . The contraction is purely consensual , with strong convergence of the optic axes . If the other eye were open , it would be R seen to turn strongly inward toward the nose to look 34 MONOCULAR VISION .
Página 35
... nose to look at a . 6. Adjustment for Distance - Focal Adjustment Accommodation . - We have seen that a lens , properly corrected for chromatism and aberration , makes a per- fect image . But the plate or screen which receives the image ...
... nose to look at a . 6. Adjustment for Distance - Focal Adjustment Accommodation . - We have seen that a lens , properly corrected for chromatism and aberration , makes a per- fect image . But the plate or screen which receives the image ...
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Términos y frases comunes
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision blind spot camera central spot ciliary muscle circle colors combined image concave corresponding points cross defect depth of space distance distant objects distinct divergence double images evident exactly Experiment explained external images farther fibers field of view focal fore fovea Helmholtz heteronymous homonymous horizontal horopter horopteric line Illustrations impression inches inclined interocular space left eye left-eye image lens light line of sight look median plane middle monocular motion muscles nearer normal eye nose oblique observer ocular optic axes optic chiasm optic nerve optic vesicle outward parallel perceived perception perfectly phantom phenomena point of sight position primary projection pupil ray-line rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single sensation side stereoscope surface tion torsion turn the eyes vergence vibrations visual lines visual result