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 cornea corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result