Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xv
... divergence , 290 ; 3. Prevalence of law of cor- responding points over law of direction , and some curious results ... divergent as we go down , until 180 ° in fishes , 299 ; relation of position of axes to binocular vision , 299 ; even ...
... divergence , 290 ; 3. Prevalence of law of cor- responding points over law of direction , and some curious results ... divergent as we go down , until 180 ° in fishes , 299 ; relation of position of axes to binocular vision , 299 ; even ...
Página xvi
... divergence of optic axes , 310 ; formation of the chiasm , 310 ; the use of the two eyes as one instrument , 311 ; the addition of fovea is a condition of thoughtful attention and mental development , 312 . 303 SIGHT . INTRODUCTORY ...
... divergence of optic axes , 310 ; formation of the chiasm , 310 ; the use of the two eyes as one instrument , 311 ; the addition of fovea is a condition of thoughtful attention and mental development , 312 . 303 SIGHT . INTRODUCTORY ...
Página 20
... divergent pencil , b 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 20 MONOCULAR VISION .
... divergent pencil , b 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 20 MONOCULAR VISION .
Página 21
... divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and fall- ing on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every intermediate ...
... divergence , so that they all meet at the same point , b ' . Similarly all the rays proceeding from a , and fall- ing on the lens , are brought to the same point , a ' , and from e to the point c ' , and so also for every intermediate ...
Página 124
... Divergence of the eyes may be produced by pressing the fingers in their external cor- ners . In this case also the motion of the images is evident . Evidently , then , by voluntary motion of the eyeballs in opposite directions , and the ...
... Divergence of the eyes may be produced by pressing the fingers in their external cor- ners . In this case also the motion of the images is evident . Evidently , then , by voluntary motion of the eyeballs in opposite directions , and the ...
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Términos y frases comunes
adjustment angle axis bacillary layer becomes binocular eye binocular perspective binocular vision blind spot camera central spot ciliary muscle circle colors combined image concave corresponding points cross defect depth of space distance distant objects distinct divergence double images evident exactly Experiment explained external images farther fibers field of view focal fore fovea Helmholtz heteronymous homonymous horizontal horopter horopteric line Illustrations impression inches inclined interocular space left eye left-eye image lens light line of sight look median plane middle monocular motion muscles nearer normal eye nose oblique observer ocular optic axes optic chiasm optic nerve optic vesicle outward parallel perceived perception perfectly phantom phenomena point of sight position primary projection pupil ray-line rays refractive represent retina retinal images right and left right eye right-eye image rotation sclerotic screen seen single sensation side stereoscope surface tion torsion turn the eyes vergence vibrations visual lines visual result