Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Resultados 1-5 de 33
Página 21
... 4. As the object moves farther away , the image comes nearer to the lens and becomes smaller . DIAGRAM SHOWING THE FORMATION OF A LENS IMAGE . DIAGRAM SHOWING THE FORMATION OF A LENS IMAGE . FORMATION OF THE IMAGE . 21.
... 4. As the object moves farther away , the image comes nearer to the lens and becomes smaller . DIAGRAM SHOWING THE FORMATION OF A LENS IMAGE . DIAGRAM SHOWING THE FORMATION OF A LENS IMAGE . FORMATION OF THE IMAGE . 21.
Página 23
... moved ; or , 3. We may remove all the coats of the dead eye and replace them by a film of mica - the image will be very distinct ; or , 4. The image may be seen in the living eye by means of the ophthalmoscope . By reference to the ...
... moved ; or , 3. We may remove all the coats of the dead eye and replace them by a film of mica - the image will be very distinct ; or , 4. The image may be seen in the living eye by means of the ophthalmoscope . By reference to the ...
Página 24
... move- ment of the camera for the same purpose . We pass over these and many other minor points to come at once to the main points of comparison . Take , then , the eye out of the socket - the dead eye- and the camera without its ...
... move- ment of the camera for the same purpose . We pass over these and many other minor points to come at once to the main points of comparison . Take , then , the eye out of the socket - the dead eye- and the camera without its ...
Página 32
... ; but the margin of the circular hole , or pupil , is free to move . The disk itself is composed of two sets of contractile fibers , viz . , the radiating and the circular ( Fig . 15 ) . The radiating fibers. 32 MONOCULAR VISION .
... ; but the margin of the circular hole , or pupil , is free to move . The disk itself is composed of two sets of contractile fibers , viz . , the radiating and the circular ( Fig . 15 ) . The radiating fibers. 32 MONOCULAR VISION .
Página 34
... move toward the central point and diminish the open- ing , while by turning in the contrary direction they all move away from the center and make the hole larger . This is confessedly a beautiful contrivance , but how in- ferior to the ...
... move toward the central point and diminish the open- ing , while by turning in the contrary direction they all move away from the center and make the hole larger . This is confessedly a beautiful contrivance , but how in- ferior to 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