The Physiology of Vision With Special Reference to Colour Blindness
The book The Physiology of Vision With Special Reference to Colour Blindness was written by author Frederick William Edridge Green Here you can read free online of The Physiology of Vision With Special Reference to Colour Blindness book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Physiology of Vision With Special Reference to Colour Blindness a good or bad book?
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The important fact in this experiment is that when the lines are fused with disparate points their position in space appears to be different ; one line appears to be raised above the other in the stereoscopic combination, and we have an appearance of stereoscopic relief. Wheatstone was of opinion not only that we can have single vision with disparate points, but that we can have double vision with corresponding points. This has been denied by many observers, but is still a subject of discussion.... He showed that if a thick vertical line be drawn on one sheet of paper and a thin vertical line with a thick line running diagonally across it on another sheet of paper (see Fig. 15) : when these are placed in the stereoscope the thick diagonal and vertical lines combine into one and a thin line is seen running vertically through it. The important point in this experiment is that the thick line appears to stand out from the paper. Spearman also holds the same opinion, which of late years has been steadily gaining ground.
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