Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 33
Página 7
... 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 proving rotation on optic axes in convergence ...
... 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 proving rotation on optic axes in convergence ...
Página 54
... optic chiasm ; rr ' , nerve- roots ; n and n ' , right and left optic nerves . ( After Helmholtz . ) by the diverging recti muscles , and finally penetrate the sclerotic at a point about one eighth of an inch to the inside of the axes ...
... optic chiasm ; rr ' , nerve- roots ; n and n ' , right and left optic nerves . ( After Helmholtz . ) by the diverging recti muscles , and finally penetrate the sclerotic at a point about one eighth of an inch to the inside of the axes ...
Página 107
... sight to sweep over them . But if we move the eyes in opposite directions , as in converging the optic axes strongly and then allowing them to become again par- allel , objects , or rather their external images , seem to sweep like ...
... sight to sweep over them . But if we move the eyes in opposite directions , as in converging the optic axes strongly and then allowing them to become again par- allel , objects , or rather their external images , seem to sweep like ...
Página 111
... eye , R , is directed toward the object A , and the left eye , L , toward the object B. The point of sight is therefore beyond , at the meeting of the optic axes or lines of sight . There the combined images , ab ' , will be seen ...
... eye , R , is directed toward the object A , and the left eye , L , toward the object B. The point of sight is therefore beyond , at the meeting of the optic axes or lines of sight . There the combined images , ab ' , will be seen ...
Página 117
... optic centers ( 24 inches ) , then it is possible also to unite the figures beyond the real plane —i . e . , on the plane ... optic axes ( axial adjustment ) to a nearer distance than the object carries with it , by consensus , the focal ...
... optic centers ( 24 inches ) , then it is possible also to unite the figures beyond the real plane —i . e . , on the plane ... optic axes ( axial adjustment ) to a nearer distance than the object carries with it , by consensus , the focal ...
Otras ediciones - Ver todas
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