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 . PAGE DEFECTS OF THE EYE AS AN.
... 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 . PAGE DEFECTS OF THE EYE AS AN.
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 46 53 ...
... 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 46 53 ...
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 . of the amount of light . In both , therefore. THE EYE AS AN OPTICAL ...
... 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 . of the amount of light . In both , therefore. THE EYE AS AN OPTICAL ...
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 cornea corresponding points cross depth of space distance distant objects distinct divergence double images evident exactly Experiment external images farther fibers field of view gaze Helmholtz heteronymous homonymous horizontal horopter horopteric line identical points Illustrations impression inches inclination interocular space inverted jects law of corresponding left eye left-eye image lens light line of sight look median line middle monocular motion muscles naked eyes nearer nose oblique observer ocular optic axes optic centers optic chiasm optic convergence optic nerve outward parallel perceived perception perfect image perfectly point of sight position projection pupil ray-lines rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single shut side stereoscope surface tion torsion turn the eyes vergence vertical meridian vibrations visual lines visual result