Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 30
... move- ment of the camera for the same purpose . We pass over these and many other minor points to come at once to the main points of comparison . Take , then , the eye out of the socket - the dead eye- and the camera without its ...
... move- ment of the camera for the same purpose . We pass over these and many other minor points to come at once to the main points of comparison . Take , then , the eye out of the socket - the dead eye- and the camera without its ...
Página 38
... ; but the margin of the circular hole , or pupil , is free to move . The disk itself is composed of two sets of contractile fibers , viz . , the radiating and the circular ( Fig . 15 ) . The radiating fibers. 38 MONOCULAR VISION .
... ; but the margin of the circular hole , or pupil , is free to move . The disk itself is composed of two sets of contractile fibers , viz . , the radiating and the circular ( Fig . 15 ) . The radiating fibers. 38 MONOCULAR VISION .
Página 40
... move away from the center and make the hole larger . This is confessedly a beautiful contrivance , but how inferior ... moving in straight lines will have already met , crossed , and again spread out . It is evident that there is but ...
... move away from the center and make the hole larger . This is confessedly a beautiful contrivance , but how inferior ... moving in straight lines will have already met , crossed , and again spread out . It is evident that there is but ...
Página 67
... moves also , but retains its opposite position in the field of view . In this familiar experiment the pressure indents the sclerotic and causes . a change or irritation on the forward portion of the retina ; and any change whatever on ...
... moves also , but retains its opposite position in the field of view . In this familiar experiment the pressure indents the sclerotic and causes . a change or irritation on the forward portion of the retina ; and any change whatever on ...
Página 68
... move the light about gently , upward , downward , back FIG . 21 . and forth , while you gaze in- tently on the wall opposite . Presently the field of view be- comes dark from the intense impression of the light , and then , as you move ...
... move the light about gently , upward , downward , back FIG . 21 . and forth , while you gaze in- tently on the wall opposite . Presently the field of view be- comes dark from the intense impression of the light , and then , as you move ...
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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 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