Sight: An Exposition of the Principles of Monocular and Binocular VisionKegan Paul, 1881 - 275 páginas |
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Página 13
... seen in the spectrum , until 831,000,000,000 , - 000 is reached . Beyond this we have no nerve capable of responding . The gradation among the special senses may be shown in a different way . In touch we require direct and usually solid ...
... seen in the spectrum , until 831,000,000,000 , - 000 is reached . Beyond this we have no nerve capable of responding . The gradation among the special senses may be shown in a different way . In touch we require direct and usually solid ...
Página 18
... left , if we are speaking of the right eye . This is their action expressed generally ; but , by refer- ence to Fig . 20 , on page 54 , it is seen that the axis of the eye is not coincident with the axis of the. 18 MONOCULAR VISION .
... left , if we are speaking of the right eye . This is their action expressed generally ; but , by refer- ence to Fig . 20 , on page 54 , it is seen that the axis of the eye is not coincident with the axis of the. 18 MONOCULAR VISION .
Página 26
... seen that rays from widely different points in the object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu ous points of the object mix . In such a case , the mixing is so great that no ...
... seen that rays from widely different points in the object mix with each other on the receiv- ing screen ; much more , then , would rays from contigu ous points of the object mix . In such a case , the mixing is so great that no ...
Página 27
... seen on the sheet . If we increase the size of the hole , the image will be brighter , but also more blurred . Illustrations . - Many simple experiments may be made illustrating this principle . A pinhole in a card will make an inverted ...
... seen on the sheet . If we increase the size of the hole , the image will be brighter , but also more blurred . Illustrations . - Many simple experiments may be made illustrating this principle . A pinhole in a card will make an inverted ...
Página 29
... seen in the living eye by means of the ophthalmoscope . By reference to the diagram , Fig . 8 , it is seen that the central rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point ...
... seen in the living eye by means of the ophthalmoscope . By reference to the diagram , Fig . 8 , it is seen that the central rays from all radiants cross each other in the lens . This point of ray - crossing is called the nodal point ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot Cheaper Edition ciliary muscle Cloth colors combined images cones corresponding points cross Demy 8vo diagram direction distance distant objects distinct divergence double images evident Experiment external images farther Fcap fibers field of view Frontispiece Helmholtz heteronymous horizontal horopter horopteric line Illustrations impression inches inclination interocular space jects Large post 8vo left eye left-eye image lens light line of sight look median line monocular motion muscles nearer nose observer ocular optic axes optic centers optic chiasm optic nerve outward parallel perception perfectly phenomena plane Poems point of sight Portrait position price 75 Prof projection rays refractive represent retina retinal images right eye rotation sclerotic screen Second Edition seen single Small crown 8vo stereoscope surface T. H. HUXLEY Third Edition tion torsion Translated vertical meridian vibrations visual lines visual result vols
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