Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 5
... adjustment for light , 37 ; adjustment for distance , 40 ; accom- modation of the eye , 42 ; experiment illustrating , 42 ; theory of adjustment , 44 ; Helmholtz's view , 44 . 17 30 CHAPTER III . DEFECTS OF THE EYE AS AN INSTRUMENT.
... adjustment for light , 37 ; adjustment for distance , 40 ; accom- modation of the eye , 42 ; experiment illustrating , 42 ; theory of adjustment , 44 ; Helmholtz's view , 44 . 17 30 CHAPTER III . DEFECTS OF THE EYE AS AN INSTRUMENT.
Página 6
... adjustments , 104 ; two fundamental laws , 105 . CHAPTER II . SUPERPOSITION OF EXTERNAL IMAGES Of the same object , 107 ; of different objects , 108 ; Case 1. Dis- similar objects , 108 ; experiments illustrating , 108-109 ; Case PAGE ...
... adjustments , 104 ; two fundamental laws , 105 . CHAPTER II . SUPERPOSITION OF EXTERNAL IMAGES Of the same object , 107 ; of different objects , 108 ; Case 1. Dis- similar objects , 108 ; experiments illustrating , 108-109 ; Case PAGE ...
Página 23
... crystalline and slightly flattens it . We shall see the importance of this when we come to speak of the adjustment of the eye for distance . The perfect transparency of the lens is obviously necessary for. 2 GENERAL STRUCTURE OF THE EYE .
... crystalline and slightly flattens it . We shall see the importance of this when we come to speak of the adjustment of the eye for distance . The perfect transparency of the lens is obviously necessary for. 2 GENERAL STRUCTURE OF THE EYE .
Página 37
... Adjustment for Light . - The delicate work done by the camera and by the eye requires a proper regulation * " Archives des Sciences , ” vol . lxiii , p . 66. 1875 . In of the amount of light . In both , THE EYE AS AN OPTICAL INSTRUMENT .
... Adjustment for Light . - The delicate work done by the camera and by the eye requires a proper regulation * " Archives des Sciences , ” vol . lxiii , p . 66. 1875 . In of the amount of light . In both , THE EYE AS AN OPTICAL INSTRUMENT .
Página 40
... Adjustment for Distance - Focal Adjustment . -We have seen that a lens , properly corrected for chromatism and aberration , makes a perfect image . But the plate or screen which receives the image and makes it visible must be placed ...
... Adjustment for Distance - Focal Adjustment . -We have seen that a lens , properly corrected for chromatism and aberration , makes a perfect image . But the plate or screen which receives the image and makes it visible must be placed ...
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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