Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 5
... retina , 22 ; con- tents of ball , 23 ; lens , 23 ; humors , 24 . SECTION II . - FORMATION OF THE IMAGE , 24 ; conditions of per- fect image , 25 ; experiment , 27 ; illustrations , 27 ; property of a lens , 27 ; proofs of a retinal image ...
... retina , 22 ; con- tents of ball , 23 ; lens , 23 ; humors , 24 . SECTION II . - FORMATION OF THE IMAGE , 24 ; conditions of per- fect image , 25 ; experiment , 27 ; illustrations , 27 ; property of a lens , 27 ; proofs of a retinal image ...
Página 6
... retinal impressions , 64 ; compared with other senses , 65 ; illustrations of this property , 66 ; phosphenes , 67 ... IMAGES . The two eyes as one instrument , 90 ; the binocular field , 91 ; double images , 92 ; experiments ...
... retinal impressions , 64 ; compared with other senses , 65 ; illustrations of this property , 66 ; phosphenes , 67 ... IMAGES . The two eyes as one instrument , 90 ; the binocular field , 91 ; double images , 92 ; experiments ...
Página 25
... image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be ...
... image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be ...
Página 42
... retinal screen farther back from the lens . But now it is known that the retinal screen remains immovable , and the lens changes its form so as to throw the image to the same place . Experiment . This is proved in the following man- ner ...
... retinal screen farther back from the lens . But now it is known that the retinal screen remains immovable , and the lens changes its form so as to throw the image to the same place . Experiment . This is proved in the following man- ner ...
Página 64
... retina in a definite way ; this impression is then conveyed by the optic nerve to the brain , and determines changes there , definite in proportion to the distinctness of the retinal image ; and then the brain 64 MONOCULAR VISION .
... retina in a definite way ; this impression is then conveyed by the optic nerve to the brain , and determines changes there , definite in proportion to the distinctness of the retinal image ; and then the brain 64 MONOCULAR VISION .
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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