Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 33
... opposite direction by the concave lens . Such a com- bination will therefore make no image . In order that such a combination should make an image at all , it is necessary that the convexity should predominate over the concavity , as in ...
... opposite direction by the concave lens . Such a com- bination will therefore make no image . In order that such a combination should make an image at all , it is necessary that the convexity should predominate over the concavity , as in ...
Página 51
... opposite of myopy . Like the latter , it is a structural defect , but in the opposite direction . In this case the lens is not sufficiently refractive for the length of the chamber , or the receiving screen is too near ( at S'S ' , Fig ...
... opposite of myopy . Like the latter , it is a structural defect , but in the opposite direction . In this case the lens is not sufficiently refractive for the length of the chamber , or the receiving screen is too near ( at S'S ' , Fig ...
Página 60
... opposite affections of the retina , so that there are only two essen- tially distinct color - affections of the retina , which , with their opposites , produce the two pairs of complementary colors : the one with its opposite produces ...
... opposite affections of the retina , so that there are only two essen- tially distinct color - affections of the retina , which , with their opposites , produce the two pairs of complementary colors : the one with its opposite produces ...
Página 61
... opposite , yellow and blue . This , though more doubtful , seems a probable cause of com- plementariness . Theory of Color - Perception . - Color - perception is un- doubtedly a simple perception , and irresolvable into any other . It ...
... opposite , yellow and blue . This , though more doubtful , seems a probable cause of com- plementariness . Theory of Color - Perception . - Color - perception is un- doubtedly a simple perception , and irresolvable into any other . It ...
Página 67
... opposite or external side . The spectrum thus produced has a deep steel - blue center , with a brilliant yellow border , and reminds one of the beauty spots on a peacock's feather or a butterfly's wing . Remove the pressure to any other ...
... opposite or external side . The spectrum thus produced has a deep steel - blue center , with a brilliant yellow border , and reminds one of the beauty spots on a peacock's feather or a butterfly's wing . Remove the pressure to any other ...
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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