Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 307 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 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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