Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 3
... Helmholtz's great work on " Physiological Optics , " of which there exist both a German and a French edition , is doubtless ac- cessible to scientists , but this work is so technical that it is practically closed to all but the ...
... Helmholtz's great work on " Physiological Optics , " of which there exist both a German and a French edition , is doubtless ac- cessible to scientists , but this work is so technical that it is practically closed to all but the ...
Página 5
... , 36 ; 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.
... , 36 ; 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 7
... Helmholtz explained , 175 ; rota- tion on optic axes in parallel motion only apparent , 176 . SECTION II . - LAWS OF CONVERGENT MOTION , 177 ; the rotation in this case real , 178 ; difficulty in experimenting , 178 ; ex- periments ...
... Helmholtz explained , 175 ; rota- tion on optic axes in parallel motion only apparent , 176 . SECTION II . - LAWS OF CONVERGENT MOTION , 177 ; the rotation in this case real , 178 ; difficulty in experimenting , 178 ; ex- periments ...
Página 8
... Helmholtz's results , 195 ; Helmholtz's view as to the relation of apparent and real vertical meridian , 197 ; experiments testing its truth , 198 ; adverse conclusion reached , 201 ; Meissner's results , experiments proving , 203 ; my ...
... Helmholtz's results , 195 ; Helmholtz's view as to the relation of apparent and real vertical meridian , 197 ; experiments testing its truth , 198 ; adverse conclusion reached , 201 ; Meissner's results , experiments proving , 203 ; my ...
Página 35
... these ; but even there the image would not be sharp . In such a lens there is no * Helmholtz , “ Popular Lectures , " p . 216 . common focal point for all the rays , and therefore. THE EYE AS AN OPTICAL INSTRUMENT . 35.
... these ; but even there the image would not be sharp . In such a lens there is no * Helmholtz , “ Popular Lectures , " p . 216 . common focal point for all the rays , and therefore. THE EYE AS AN OPTICAL INSTRUMENT . 35.
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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