Sight: An Exposition of the Principles of Monocular and Binocular VisionD. Appleton, 1881 - 275 páginas |
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Página 26
... less and less , and therefore the image fainter and fainter . If we suppose the hole to become a mathematical point , then one ray only passes from each point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and ...
... less and less , and therefore the image fainter and fainter . If we suppose the hole to become a mathematical point , then one ray only passes from each point to the object , and goes to its own place in the image ( Fig . 6 , B ) , and ...
Página 45
... less th any pt bi & hear Jingar & .. & payof are not repro Jingar ba Enough & lcome & a Joens theyond t retina - ( Show this by dia gram ) & علامكم بالله tes Explain how from & fast th & retira is Concar indgas Camana are not distated ...
... less th any pt bi & hear Jingar & .. & payof are not repro Jingar ba Enough & lcome & a Joens theyond t retina - ( Show this by dia gram ) & علامكم بالله tes Explain how from & fast th & retira is Concar indgas Camana are not distated ...
Página 51
... less common , which must be briefly characterized . Hyper- metropy is the true opposite of myopy . Like the latter , it is a structural defect , but in the opposite direction . In this case the lens is not sufficiently refractive for ...
... less common , which must be briefly characterized . Hyper- metropy is the true opposite of myopy . Like the latter , it is a structural defect , but in the opposite direction . In this case the lens is not sufficiently refractive for ...
Página 58
... less than one mil- lion cones in a square inch . FIG . 23 . C B BACILLARY LAYER , VIEWED FROM THE OUTSIDE SURFACE . - A , appearance of usual surface ; B , appearance of surface of the raised margin of yellow spot ; C , surface of ...
... less than one mil- lion cones in a square inch . FIG . 23 . C B BACILLARY LAYER , VIEWED FROM THE OUTSIDE SURFACE . - A , appearance of usual surface ; B , appearance of surface of the raised margin of yellow spot ; C , surface of ...
Página 74
... less and less as we pass outward in any direction toward the margins of the field of view . Standing two feet from the wall , I look at my pen held at arm's length against the wall , and of course see the pen distinctly . Looking still ...
... less and less as we pass outward in any direction toward the margins of the field of view . Standing two feet from the wall , I look at my pen held at arm's length against the wall , and of course see the pen distinctly . Looking still ...
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Términos y frases comunes
angle axis bacillary layer binocular eye binocular perspective binocular vision camera central spot ciliary muscle circle colors combined images cones corresponding points cross depth of space distant objects distinct double images evident exactly Experiment external images eyes by squinting farther fibers field of view figures finger focal adjustment foreground forms of perspective gaze heteronymously homonymously horizontal horopter identical points impression inches inclination interocular space inverted jects left eye lens less convergence light line of sight look median plane monocular images motion muscles naked eyes nearer nose object or scene oblique observer ocular optic axes optic chiasm optic convergence optic nerve outward parallel perceived perception of depth perfect image perfectly point of sight position projection rays refractive represent retina retinal images right and left right eye rotation sclerotic screen seen single side stereoscope stereoscopic pictures surface tion torsion turn the eyes unite visual lines visual result