Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 48
... true na- ture . It is obviously impossible to have an eye more long - sighted than the normal eye , for this defines with perfect distinctness the most distant objects , such as the moon or the sun when the dazzling effect is pre ...
... true na- ture . It is obviously impossible to have an eye more long - sighted than the normal eye , for this defines with perfect distinctness the most distant objects , such as the moon or the sun when the dazzling effect is pre ...
Página 51
... true 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 ...
... true 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 ...
Página 58
... true receptive layer , which corresponds to the iodized film of the sensitized plate of the camera . These rods and cones receive and respond to the vibrations of light ; they co - vibrate with the undulations of the ether . The inner ...
... true receptive layer , which corresponds to the iodized film of the sensitized plate of the camera . These rods and cones receive and respond to the vibrations of light ; they co - vibrate with the undulations of the ether . The inner ...
Página 60
... true . These four colors are essen- tially distinct and irresolvable into any mixture of oth- ers . Again , according to Hering , these four are re- ducible to two complementary pairs , viz . , red and green on the one hand , and yellow ...
... true . These four colors are essen- tially distinct and irresolvable into any mixture of oth- ers . Again , according to Hering , these four are re- ducible to two complementary pairs , viz . , red and green on the one hand , and yellow ...
Página 72
... true signs of objects , even so impressions made on the retina abnormally from within , by the mind or imagination , are also sometimes projected out- ward , and become the delusive signs of external ob- jects having no existence . It ...
... true signs of objects , even so impressions made on the retina abnormally from within , by the mind or imagination , are also sometimes projected out- ward , and become the delusive signs of external ob- jects having no existence . It ...
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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