Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xvi
... called general sensibility , or common sensation . This is a mere sense of contact , an indefinite , response to external impression . It gives knowledge of externality — of the existence of the external world - but not of the ...
... called general sensibility , or common sensation . This is a mere sense of contact , an indefinite , response to external impression . It gives knowledge of externality — of the existence of the external world - but not of the ...
Página xvi
... called smells , and nothing else . If , therefore , these nerve - fibers are irri- tated in any way , even mechanically , by scratching or pinching , they do not feel but perceive an odor . The second pair of cranial nerves - the optic ...
... called smells , and nothing else . If , therefore , these nerve - fibers are irri- tated in any way , even mechanically , by scratching or pinching , they do not feel but perceive an odor . The second pair of cranial nerves - the optic ...
Página 7
... called the sense - organ . It is of the most highly specialized of these nerves and the most refined of these instruments , the highest of the sense - organs , the eye , that we are now about to treat . It may be well to bear in mind ...
... called the sense - organ . It is of the most highly specialized of these nerves and the most refined of these instruments , the highest of the sense - organs , the eye , that we are now about to treat . It may be well to bear in mind ...
Página 10
... called the conjunctiva . Illustrations . In ordinary inflammations of the eye , it is this mucous membrane which is affected , and not the eye proper . Disease of the eye proper is a far more serious matter . When motes get into the eye ...
... called the conjunctiva . Illustrations . In ordinary inflammations of the eye , it is this mucous membrane which is affected , and not the eye proper . Disease of the eye proper is a far more serious matter . When motes get into the eye ...
Página 13
... called the sclerotic . This is partly exposed in the living eye , and is called the " white of the eye . " By its strength , toughness , and elasticity " it gives form without rigidity . On this account 3 GENERAL STRUCTURE OF THE EYE . 13.
... called the sclerotic . This is partly exposed in the living eye , and is called the " white of the eye . " By its strength , toughness , and elasticity " it gives form without rigidity . On this account 3 GENERAL STRUCTURE OF THE EYE . 13.
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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