Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
Dentro del libro
Resultados 1-5 de 63
Página 3
... result of a conscientious endeavor to make it clear to students under my 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 been taken ...
... result of a conscientious endeavor to make it clear to students under my 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 been taken ...
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- mon sensation as a jarring . When the vibrations are so rapid that there are sixteen complete movements back ...
... result of refine- ments of common sensation - each a more refined touch . Coarse vibrations are perceived by the nerves of com- mon sensation as a jarring . When the vibrations are so rapid that there are sixteen complete movements back ...
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 EIIOWING ...
... 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 EIIOWING ...
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