Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 3
... 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 from other writers . On those points in.
... 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 from other writers . On those points in.
Página 9
... sensory nerve - fibers are differentiated into several kinds , so that each may give clear knowledge of differ- ent properties . Thus , for example , the first INTRODUCTORY PAGE THE RELATION OF GENERAL SENSIBILITY TO SPECIAL SENSE.
... sensory nerve - fibers are differentiated into several kinds , so that each may give clear knowledge of differ- ent properties . Thus , for example , the first INTRODUCTORY PAGE THE RELATION OF GENERAL SENSIBILITY TO SPECIAL SENSE.
Página 17
... ball as far as the clear part , or cornea ( Fig . 2 , c c c ) , and then entirely over this , although very closely attached . If carefully dissected off , it would leave the eyeball behind it . This mucous covering of the.
... ball as far as the clear part , or cornea ( Fig . 2 , c c c ) , and then entirely over this , although very closely attached . If carefully dissected off , it would leave the eyeball behind it . This mucous covering of the.
Página 21
... clear part from the main part of the ball , and thus corresponding in position to the face of the watch , there is an opaque , colored plate called the iris , I. It is the colored part of the eye , black , brown , blue , or gray , in ...
... clear part from the main part of the ball , and thus corresponding in position to the face of the watch , there is an opaque , colored plate called the iris , I. It is the colored part of the eye , black , brown , blue , or gray , in ...
Página 23
... clear as finest glass , about one third of an inch in diameter , and one sixth of an inch in thickness , firm enough to handle easily , but elastic and easily yielding to pressure . On section it is found to consist of layers ...
... clear as finest glass , about one third of an inch in diameter , and one sixth of an inch in thickness , firm enough to handle easily , but elastic and easily yielding to pressure . On section it is found to consist of layers ...
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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 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