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Updated: May 1, 2025
But there is, further, in all "seeing" before even a mental result of attention to the retinal picture is, as it were, "passed," admitted and registered as "a thing seen," the further operation of rapid criticism or judgment, brief though it be. We accept as "a thing seen" a wheel buzzing round with something like fifty spokes but we cannot accept a horse with eight or sixteen legs!
Stratton, by a system of lenses, artificially produces the same distortions and throws some light on the phenomenon. Annals of Ophthalmology, July, 1914, Vol. XXIII, p. 482. Psychological Review, Vol. IV, pp. 341-360 and 463-481. It is in the phenomenon of ambiguity in the interpretation of the retinal eye processes that this case finds its value.
It is not often he gets a really intelligent patient to work on in fact, he found me so appreciative that he exhibited especially some profoundly interesting experiments. Amongst other things, he threw a gigantic representation of my retinal system of blood vessels on to a white screen merely by turning a strong light sideways into my eye. And the explanation of it was quite simple.
It is rather in what we call psychical vision that the poet is wont to excel, that is, in his ability to perceive the meaning of visual phenomena. Here he ceases to be a mere reporter of retinal images, and takes upon himself the higher and harder function of an interpreter of the visible world.
But even so, to look at the sun directly might easily result in a retinal sunburn which could result in blindness. The loudspeaker behind Joe's chair clattered. It had seemed muted by the weight of its diaphragm at three gravities. Now it blasted unintelligibly, with no weight at all. Mike threw a switch and took the message.
"If this sort of thing is going on all over Chilblains," said Mike the Angel, "I imagine the Office of Chaplains is doing a booming business in TS cards." The lieutenant put the retinal photos in the comparator, took a good look, and nodded. "You're you," he said. "Give me your ID card."
That of an elderly patient with marked vascular disease, often renal involvement, and distinctly impaired nutrition. There may be renal retinitis or retinal hemorrhages. The case may easily become one of hemorrhagic glaucoma. It may run a very chronic course.
The human eye labours under a similar defect, and from this, and other causes, it arises that when the naked light from fifty cells is looked at the blur of light upon the retina is sufficient to destroy the definition of the retinal image of the carbons.
Our notion of visual space has this origin, since the manifold of retinal impressions is distributed in a manner which serves as the type and exemplar of what we mean by a surface. Values of geometrical figures. The reader will perhaps pardon these details and the strain they put on his attention, when he perceives how much they help us to understand the value of forms.
Thus, by these methods, using the truth of color in the sense of following the nature of retinal functioning, Monet and his followers raised the color scale many degrees in brightness. Now we have seen that the eye loves light, warmth, strong color-effects, related to each other in the way that the eye must see them.
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