Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 13
... shown in a different way . In touch we require direct and usually solid contact ; in taste , liquid contact , for unless a body is soluble it can not be tasted ; in smell , the contact is gaseous , for unless a body is volatile or ...
... shown in a different way . In touch we require direct and usually solid contact ; in taste , liquid contact , for unless a body is soluble it can not be tasted ; in smell , the contact is gaseous , for unless a body is volatile or ...
Página 23
... shown in Fig . 5 , e , and in Fig . 13 , on page 37. The lens is invested withi a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues outward as a plaited curtain , to be attached to the ...
... shown in Fig . 5 , e , and in Fig . 13 , on page 37. The lens is invested withi a very thin , transparent membrane , capsule of the lens , which not only invests it , but continues outward as a plaited curtain , to be attached to the ...
Página 35
... 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 37
... 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 59
... shown in Fig . 21 , page 55 , the bacillary layer is necessarily wanting , and it is the only spot in which this is the case . Now , this spot is blind ( see page 78 ) . Again , just in the axis of the globe , or what might be called ...
... shown in Fig . 21 , page 55 , the bacillary layer is necessarily wanting , and it is the only spot in which this is the case . Now , this spot is blind ( see page 78 ) . Again , just in the axis of the globe , or what might be called ...
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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 cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result