Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 páginas |
Dentro del libro
Resultados 6-10 de 47
Página 41
... side recedes from the lens . As the object recedes , the image approaches the lens . There- fore there must be an adjustment of the instrument for the distance of the object . There are only two possible ways in which this ad- justment ...
... side recedes from the lens . As the object recedes , the image approaches the lens . There- fore there must be an adjustment of the instrument for the distance of the object . There are only two possible ways in which this ad- justment ...
Página 42
... side , as in Fig . 17 , C , while his own point of ob- servation is on the other side , B. If the observer now looks carefully , he will see in the eye of the patient three images of the candle - flame : first , one reflected from the ...
... side , as in Fig . 17 , C , while his own point of ob- servation is on the other side , B. If the observer now looks carefully , he will see in the eye of the patient three images of the candle - flame : first , one reflected from the ...
Página 43
... divided by a plane through the center . The right side , N , is adapted to near objects ; the left , F , to distant objects . Theory of Adjustment . Thus much may be con- sidered. THE EYE AS AN OPTICAL INSTRUMENT . 43.
... divided by a plane through the center . The right side , N , is adapted to near objects ; the left , F , to distant objects . Theory of Adjustment . Thus much may be con- sidered. THE EYE AS AN OPTICAL INSTRUMENT . 43.
Página 65
... side of the point of the elbow , pain is felt in the little and ring fingers , where this nerve is distributed . In amputated legs , as is well known , the sense of the presence of a foot remains , and often severe neuralgic pains are ...
... side of the point of the elbow , pain is felt in the little and ring fingers , where this nerve is distributed . In amputated legs , as is well known , the sense of the presence of a foot remains , and often severe neuralgic pains are ...
Página 67
... 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 part , and the ...
... 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 part , and the ...
Otras ediciones - Ver todas
Términos y frases comunes
angle bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo depth of space distant objects distinct double images evident exactly Experiment external images farther Fcap fibers field of view focal adjustment foreground forms of perspective Frontispiece heteronymously horizontal horopter identical points Illustrations impression inches inclination interocular space jects judgments Large post 8vo left eye lens light line of sight look median plane monocular motion muscles naked eyes nearer nose object or scene observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perception of depth perfectly Poems point of sight position projection represent retina retinal images right and left right eye rotation screen Second Edition seen single side Small crown 8vo stereoscope stereoscopic pictures Third Edition tion torsion turn the eyes visual lines visual result vols
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