Sight: An Exposition of the Principles of Monocular and Binocular Vision |
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Página 38
The circumference of the disk is immovably fixed to the sclerotic at its junction
with the cornea ; 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.
The circumference of the disk is immovably fixed to the sclerotic at its junction
with the cornea ; 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.
Página 40
the middle , and sliding over each other in such wise that by turning a milled
head in one direction they all move toward the central point and diminish the
opening , while by turning in contrary direction they all move away from the
center and ...
the middle , and sliding over each other in such wise that by turning a milled
head in one direction they all move toward the central point and diminish the
opening , while by turning in contrary direction they all move away from the
center and ...
Página 67
Remove the pressure to any other part , and the spectrum 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 ...
Remove the pressure to any other part , and the spectrum 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 ...
Página 68
Now move the light about gently , upward , downward , back and forth , while you
gaze intently on the wall opposite . Presently the field of view becomes dark from
the intense impression of the light , and then , as you move the light about ...
Now move the light about gently , upward , downward , back and forth , while you
gaze intently on the wall opposite . Presently the field of view becomes dark from
the intense impression of the light , and then , as you move the light about ...
Página 71
When we move the eyes about , the images of objects move about on the retina ,
but the objects seem to remain unmoved . Spectral impressions on the retina , on
the contrary , remain in the same place , and therefore their external images ...
When we move the eyes about , the images of objects move about on the retina ,
but the objects seem to remain unmoved . Spectral impressions on the retina , on
the contrary , remain in the same place , and therefore their external images ...
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adjustment already angle appear becomes binocular called central spot circle Cloth colors combined complete condition cones convergence corresponding points cross Demy 8vo diagram direction distance distinct double images evident exactly Experiment explained external fact fall farther Fcap field of view figures front hand horizontal horopter Illustrations impression inches inclination increasing Large layer left eye lens less light look median middle motion move muscles natural nearer necessary nerve nose object observer opposite optic optic axes outward parallel passing perception perfect perfectly perspective phenomena plane Poems point of sight position post 8vo price 35 primary produced projection rays referred represent result retina retinal images right eye rotation screen Second Edition seen shown side single Small crown 8vo space stereoscope surface Third tion Translated true turn unite vertical vision visual lines vols wall whole
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Información bibliográfica
| Título | Sight: An Exposition of the Principles of Monocular and Binocular Vision Volumen33 de Internat. sci. series International scientific series |
| Autor | Joseph LeConte |
| Editor | D. Appleton, 1881 |
| Procedencia del original | Universidad de Oxford |
| Digitalizado | 7 Sep. 2006 |
| Largo | 275 páginas |
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