Sight: An Exposition of the Principles of Monocular and Binocular Vision |
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Página 28
Of the divergent pencil , 6 L L , the central ray passes straight through without
deviation ; rays a little way from the central are bent a little ; rays farther away are
bent more and more according to their angle of divergence , so that they all meet
at ...
Of the divergent pencil , 6 L L , the central ray passes straight through without
deviation ; rays a little way from the central are bent a little ; rays farther away are
bent more and more according to their angle of divergence , so that they all meet
at ...
Página 41
... carry the ground - glass plate a little farther back ; when the object recedes , we
slide up the tube so as to bring the receiving plate nearer the lens . So in the
opera - glass we elongate the tube for near objects , and shorten it for more
distant .
... carry the ground - glass plate a little farther back ; when the object recedes , we
slide up the tube so as to bring the receiving plate nearer the lens . So in the
opera - glass we elongate the tube for near objects , and shorten it for more
distant .
Página 42
... a near object , the straight muscles , acting all together , squeezed the eye
about the equatorial belt , and increased its axial diameter — in other words ,
made it egg - shaped — and thus carried the retinal screen farther back from the
lens .
... a near object , the straight muscles , acting all together , squeezed the eye
about the equatorial belt , and increased its axial diameter — in other words ,
made it egg - shaped — and thus carried the retinal screen farther back from the
lens .
Página 47
Within this farther limit of perfect image , however , it has its own range of
adjustment , like the normal eye . The range of the normal eye is from infinite
distance to five inches . In the myopic eye the range may be from a yard to four
inches , or ...
Within this farther limit of perfect image , however , it has its own range of
adjustment , like the normal eye . The range of the normal eye is from infinite
distance to five inches . In the myopic eye the range may be from a yard to four
inches , or ...
Página 50
In all young eyes there is a range of adjustment between a nearer and a farther
limit ; in the normal eye it is between five inches , near limit , and infinite distance ,
the farther limit ( if limit it can be called ) ; in the myopic eye the nearer limit may ...
In all young eyes there is a range of adjustment between a nearer and a farther
limit ; in the normal eye it is between five inches , near limit , and infinite distance ,
the farther limit ( if limit it can be called ) ; in the myopic eye the nearer limit may ...
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Términos y frases comunes
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 |
| Exportar cita | BiBTeX EndNote RefMan |