Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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... LIGHT AND PHOTOGRAPHY . By Dr. HERMANN VOGEL . 100 Illustrations . $ 2.00 . 15. FUNGI ; their Nature , Influence , and Uses . By M. C. COOKE , LL . D. Edited by M. J. BERKELEY . 109 Illustrations . $ 1.50 . 16. THE LIFE AND GROWTH OF ...
... LIGHT AND PHOTOGRAPHY . By Dr. HERMANN VOGEL . 100 Illustrations . $ 2.00 . 15. FUNGI ; their Nature , Influence , and Uses . By M. C. COOKE , LL . D. Edited by M. J. BERKELEY . 109 Illustrations . $ 1.50 . 16. THE LIFE AND GROWTH OF ...
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... , 36 ; adjustment for light , 37 ; adjustment for distance , 40 ; accom- modation of the eye , 42 ; experiment illustrating , 42 ; theory of adjustment , 44 ; Helmholtz's view , 44 . 17 30 CHAPTER III . PAGE DEFECTS OF THE EYE AS AN.
... , 36 ; adjustment for light , 37 ; adjustment for distance , 40 ; accom- modation of the eye , 42 ; experiment illustrating , 42 ; theory of adjustment , 44 ; Helmholtz's view , 44 . 17 30 CHAPTER III . PAGE DEFECTS OF THE EYE AS AN.
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... light , and nothing else . If , therefore , these nerves be mechanically irritated , we do not feel anything , but see a flash of light . In a similar manner , the eighth pair - auditive nerve - is specially organized to respond to ...
... light , and nothing else . If , therefore , these nerves be mechanically irritated , we do not feel anything , but see a flash of light . In a similar manner , the eighth pair - auditive nerve - is specially organized to respond to ...
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... light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe- culiar and wonderful ...
... light . The vibrations which produce this sensation are so rapid - 399,000,000,000,000 in a sec- ond - that they can be conveyed only by the ethereal medium . For the perception of these vibrations , a pe- culiar and wonderful ...
Página 14
... light but objects . The lowest animals in which an optic nerve is found perceive light , but not objects ; because , though the specialized nerve is present , the appropriate instrument is wanting . It is on these two higher senses that ...
... light but objects . The lowest animals in which an optic nerve is found perceive light , but not objects ; because , though the specialized nerve is present , the appropriate instrument is wanting . It is on these two higher senses that ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cornea 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 law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes 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 pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result