Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
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Página 18
... side , just in front of the middle or equator of the globe ( Fig . 3 ) . They are called severally superior , inferior , external , and internal rectus . The first turns the ball upward , the second downward , the third to the right ...
... side , just in front of the middle or equator of the globe ( Fig . 3 ) . They are called severally superior , inferior , external , and internal rectus . The first turns the ball upward , the second downward , the third to the right ...
Página 19
... side ( Fig . 3 , c ) ; it then turns upon itself backward and outward , passes over the globe obliquely across the equator , and is attached to the sclerotic , or white coat of the eye , on the outside , a little behind the equator ...
... side ( Fig . 3 , c ) ; it then turns upon itself backward and outward , passes over the globe obliquely across the equator , and is attached to the sclerotic , or white coat of the eye , on the outside , a little behind the equator ...
Página 24
... side of the direct line of sight , the cornea will fill again and the sight may be recovered . ( c . ) The posterior and much larger chamber is filled with a transparent , glassy substance , about the consist- ence of soft jelly ...
... side of the direct line of sight , the cornea will fill again and the sight may be recovered . ( c . ) The posterior and much larger chamber is filled with a transparent , glassy substance , about the consist- ence of soft jelly ...
Página 31
... sides will be quenched , and not allowed to rebound by reflection , and thus fall on the image and spoil it . No light must fall on the image except that which comes directly from the object . So the eye also is a very small , dark ...
... sides will be quenched , and not allowed to rebound by reflection , and thus fall on the image and spoil it . No light must fall on the image except that which comes directly from the object . So the eye also is a very small , dark ...
Página 39
... side , and thus enlarge it ( Fig . 15 , B ) . The circular fibers are concentric with the pupil , and are especially numerous and strong near the margin , forming there a band about one - twentieth of an inch wide . When they contract ...
... side , and thus enlarge it ( Fig . 15 , B ) . The circular fibers are concentric with the pupil , and are especially numerous and strong near the margin , forming there a band about one - twentieth of an inch wide . When they contract ...
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Términos y frases comunes
angle axis 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 diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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