Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xiv
... PARALLEL MOTION : LISTING'S LAW , 185 ; experiments illustrating , 185–193 ; statement of the laws , 194 ; contrary statements of Helmholtz , 196 ; rotation in parallel motion only apparent , 197 . SECTION II . - LAWS OF CONVERGENT ...
... PARALLEL MOTION : LISTING'S LAW , 185 ; experiments illustrating , 185–193 ; statement of the laws , 194 ; contrary statements of Helmholtz , 196 ; rotation in parallel motion only apparent , 197 . SECTION II . - LAWS OF CONVERGENT ...
Página xv
... parallel in man and apes , 299 ; more and more divergent as we go down , until 180 ° in fishes , 299 ; relation of position of axes to binocular vision , 299 ; even in mammals easy con- PAGE 248 287 297 vergence in a point of sight is ...
... parallel in man and apes , 299 ; more and more divergent as we go down , until 180 ° in fishes , 299 ; relation of position of axes to binocular vision , 299 ; even in mammals easy con- PAGE 248 287 297 vergence in a point of sight is ...
Página 34
... parallel , d R , d L. Tell a friend to ob- serve the pupil of the open eye . It is probably greatly enlarged . Now , with- out changing at all the direction of the line of sight or position of the eye , run the point of sight , from d ...
... parallel , d R , d L. Tell a friend to ob- serve the pupil of the open eye . It is probably greatly enlarged . Now , with- out changing at all the direction of the line of sight or position of the eye , run the point of sight , from d ...
Página 41
... parallel rays in a passive state is on the retina . For all nearer objects , a voluntary effort is necessary to throw the image on the retina , which effort is greater as the object is nearer , until it is limited at the distance of ...
... parallel rays in a passive state is on the retina . For all nearer objects , a voluntary effort is necessary to throw the image on the retina , which effort is greater as the object is nearer , until it is limited at the distance of ...
Página 43
... parallel rays is behind the retina in a passive state of the eye . The hypermetropic eye when young usually sees well at a dis- tance , but not very near at hand , and therefore it is apt to be confounded with slight presbyopy . The ...
... parallel rays is behind the retina in a passive state of the eye . The hypermetropic eye when young usually sees well at a dis- tance , but not very near at hand , and therefore it is apt to be confounded with slight presbyopy . 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