Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 49
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 ...
Otras ediciones - Ver todas
Sight: An Exposition of the Principles of Moonocular and Binocular Vision Joseph Le Conte Sin vista previa disponible - 2017 |
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