Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xii
... RETINA , 50 ; optic nerve , 51 ; re- lations to the eye , 51 ; layers of the retina , 52 ... retinal impressions , 58 ; com- parison with other senses , 59 ... images , 107 ; experiments illustrating , 108 ; analogy PAGE 50 105 with ...
... RETINA , 50 ; optic nerve , 51 ; re- lations to the eye , 51 ; layers of the retina , 52 ... retinal impressions , 58 ; com- parison with other senses , 59 ... images , 107 ; experiments illustrating , 108 ; analogy PAGE 50 105 with ...
Página 17
... image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be ...
... image on the retina . With- out images we would perceive light , but not objects ; and distinctness of objects is exactly proportioned to distinctness of retinal images . If the image of an ob- ject is distinct , the object will be ...
Página 22
... IMAGE . - A B , the object ; a b , the image ; rr , retina of the normal eye . which enter the pupil , are refracted by the lenses of the eye , and if the eye be normal , brought to a focus on the retinal screen at a b . Now , since the ...
... IMAGE . - A B , the object ; a b , the image ; rr , retina of the normal eye . which enter the pupil , are refracted by the lenses of the eye , and if the eye be normal , brought to a focus on the retinal screen at a b . Now , since the ...
Página 37
... image , viz . , that on the retina and which determines sight . The three images here spoken of are by reflection and have nothing to do with sight . The retinal image is by refraction , and we are not here concerned with it . Fur- ther ...
... image , viz . , that on the retina and which determines sight . The three images here spoken of are by reflection and have nothing to do with sight . The retinal image is by refraction , and we are not here concerned with it . Fur- ther ...
Página 59
... Retinal Impressions . — An image is formed on the reti- nal screen . We have seen that the whole object of the complex arrangement of lenses placed in front of the retina is the formation of images . But we do not see the retinal images ...
... Retinal Impressions . — An image is formed on the reti- nal screen . We have seen that the whole object of the complex arrangement of lenses placed in front of the retina is the formation of images . But we do not see the retinal images ...
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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