Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página 5
... shown in a different way . In touch we require direct and usually solid contact ; in taste , liquid contact , for uniess a body is soluble it can not be tasted ; in smell , the contact is gaseous , for un- * It is difficult to conceive ...
... shown in a different way . In touch we require direct and usually solid contact ; in taste , liquid contact , for uniess a body is soluble it can not be tasted ; in smell , the contact is gaseous , for un- * It is difficult to conceive ...
Página 16
... shown in Fig . 5 , e , and in Fig . 13 , on page 31. The lens is invested with a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues outward as a curtain , to be attached to the sclerotic ...
... shown in Fig . 5 , e , and in Fig . 13 , on page 31. The lens is invested with a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues outward as a curtain , to be attached to the sclerotic ...
Página 29
... shown by the complete absence of colored edges of strongly illuminated objects , and the sharp definition of objects seen by good eyes . By close observation and refined methods , it has been recently shown that the chromatism of the ...
... shown by the complete absence of colored edges of strongly illuminated objects , and the sharp definition of objects seen by good eyes . By close observation and refined methods , it has been recently shown that the chromatism of the ...
Página 31
... shown that , in a homogeneous lens , while the rays from radiants near the middle of the field of view , i . e . , nearly directly in front , are brought to a perfect focus , the rays from radiants situ- ated near the margins of the ...
... shown that , in a homogeneous lens , while the rays from radiants near the middle of the field of view , i . e . , nearly directly in front , are brought to a perfect focus , the rays from radiants situ- ated near the margins of the ...
Página 48
... shown in Fig . 21 , B. As it would be difficult to repre- sent this solid except by a model , I have taken from the whole emergent beam two planes of rays , a vertical and a horizontal . Supposing the vertical curvature the greatest ...
... shown in Fig . 21 , B. As it would be difficult to repre- sent this solid except by a model , I have taken from the whole emergent beam two planes of rays , a vertical and a horizontal . Supposing the vertical curvature the greatest ...
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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