Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 26
... yellow ; g , green ; b , blue ; i , indigo ; v , violet . straight beam , a b , is bent by the prism so as to become a cd ; this is called refraction . But also the different colors are unequally bent ; red is bent least and violet most ...
... yellow ; g , green ; b , blue ; i , indigo ; v , violet . straight beam , a b , is bent by the prism so as to become a cd ; this is called refraction . But also the different colors are unequally bent ; red is bent least and violet most ...
Página 58
... . It is not affected by red . Hence the relative brightness of blue , as compared with red or yellow , increases with the faintness of the light . First Law of Vision . - Law of Outward Projection 58 MONOCULAR VISION .
... . It is not affected by red . Hence the relative brightness of blue , as compared with red or yellow , increases with the faintness of the light . First Law of Vision . - Law of Outward Projection 58 MONOCULAR VISION .
Página 61
... yellow border , and re- minds one of the beauty spots on a peacock's feather or a butterfly's wing . Remove the pressure to any other part , and the spectrum moves also , but retains its opposite position in the field of view . In this ...
... yellow border , and re- minds one of the beauty spots on a peacock's feather or a butterfly's wing . Remove the pressure to any other part , and the spectrum moves also , but retains its opposite position in the field of view . In this ...
Página 63
... yellow , then green , and so fades . The explana- tion is obvious . The strong impression of the image of the sun on the retina induces a change which lasts some time ; the sun brands its image on the ret- ina , but every change in the ...
... yellow , then green , and so fades . The explana- tion is obvious . The strong impression of the image of the sun on the retina induces a change which lasts some time ; the sun brands its image on the ret- ina , but every change in the ...
Página 64
... yellow , with deep - red border and dark olive - green corona ; then it becomes greenish- yellow , and then green with red border , then red with indigo border , and so fades away . With the eyes open the changes are slightly different ...
... yellow , with deep - red border and dark olive - green corona ; then it becomes greenish- yellow , and then green with red border , then red with indigo border , and so fades away . With the eyes open the changes are slightly different ...
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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