Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1897 - 318 páginas |
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Página xii
... cones , 54 ; central spot , 55 ; blind spot , 57 ; visual purple , 57 ; its functions , 58 . SECTION II . SPACE PERCEPTION , 58 ; FIRST LAW OF VISION , 58 ; the law of external projection of retinal impressions , 58 ; com- parison with ...
... cones , 54 ; central spot , 55 ; blind spot , 57 ; visual purple , 57 ; its functions , 58 . SECTION II . SPACE PERCEPTION , 58 ; FIRST LAW OF VISION , 58 ; the law of external projection of retinal impressions , 58 ; com- parison with ...
Página xvi
... cones , and thus of the blind spot , 308 ; retina epidermal in invertebrates and cerebral in ver- tebrates , 309 : bacillary layer in both epithelial , 309 ; transi- tion from invertebrate to vertebrate eye , 309 ; the difficulty , 309 ...
... cones , and thus of the blind spot , 308 ; retina epidermal in invertebrates and cerebral in ver- tebrates , 309 : bacillary layer in both epithelial , 309 ; transi- tion from invertebrate to vertebrate eye , 309 ; the difficulty , 309 ...
Página 9
... cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled . with something else . It is filled with loose connective tissue , containing fat . On this , as on a soft cushion , the eyeball rolls ...
... cone or pyramid . Evidently , therefore , the deeper and smaller parts of the hollow must be filled . with something else . It is filled with loose connective tissue , containing fat . On this , as on a soft cushion , the eyeball rolls ...
Página 47
... cone with apex at the focus . The successive sections of this cone will be circles growing smaller until it becomes a point at the focus . Beyond this the circle again enlarges without limit . This is one extreme . 2. In a cylin- drical ...
... cone with apex at the focus . The successive sections of this cone will be circles growing smaller until it becomes a point at the focus . Beyond this the circle again enlarges without limit . This is one extreme . 2. In a cylin- drical ...
Página 48
... CONE IN THE ASTIGMATIC EYE . tion of the emergent beam here will be a horizontal line . On the other hand , since the horizontals cross at f ' , but the verticals have already crossed and again spread into a plane , the section here of ...
... CONE IN THE ASTIGMATIC EYE . tion of the emergent beam here will be a horizontal line . On the other hand , since the horizontals cross at f ' , but the verticals have already crossed and again spread into a plane , the section here of ...
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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