Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 3
... result of a conscientious endeavor to make it clear to students under my instruction . instruction . As evidence of this , I would draw attention to the fact that , out of one hun- dred and thirty illustrations , only about twelve have ...
... result of a conscientious endeavor to make it clear to students under my instruction . instruction . As evidence of this , I would draw attention to the fact that , out of one hun- dred and thirty illustrations , only about twelve have ...
Página 8
... 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 results ...
... 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 results ...
Página 11
... result of refine- ments of common sensation - each a more refined touch . Coarse vibrations are perceived by the nerves of com - philos . mon sensation as a jarring . When the vibrations are taught th hear so rapid that there are ...
... result of refine- ments of common sensation - each a more refined touch . Coarse vibrations are perceived by the nerves of com - philos . mon sensation as a jarring . When the vibrations are taught th hear so rapid that there are ...
Página 20
... result of too great contraction of one of the recti mus- cles , usually the internal . It is often cured by cutting the muscle , and allowing it to attach itself to a new point . The Eyeball . We have thus far spoken only of what is ...
... result of too great contraction of one of the recti mus- cles , usually the internal . It is often cured by cutting the muscle , and allowing it to attach itself to a new point . The Eyeball . We have thus far spoken only of what is ...
Página 37
... result may be ac- complished , whether by one or by both methods , it is certain that in good eyes it is completely achieved , for the clear- ness of vision is wholly conditioned on the sharpness of the retinal image . SECTION SHOWING ...
... result may be ac- complished , whether by one or by both methods , it is certain that in good eyes it is completely achieved , for the clear- ness of vision is wholly conditioned on the sharpness of the retinal image . SECTION SHOWING ...
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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 cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result