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Dioptrics   Listen
noun
Dioptrics  n.  (Optics) The science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; distinguished from catoptrics, which refers to reflected light.






Collaborative International Dictionary of English 0.48








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"Dioptrics" Quotes from Famous Books



... in demand, but also other writings which probably did not pay so well. In 1604 he published "A Supplement to Vitellion," containing the earliest known reasonable theory of optics, and especially of dioptrics or vision through lenses. He compared the mechanism of the eye with that of Porta's "Camera Obscura," but made no attempt to explain how the image formed on the retina is understood by the brain. He went carefully into the ...
— Kepler • Walter W. Bryant

... rays 36 How converging and diverging rays come to suggest the same distance 37 A person extreme purblind would judge aright in the forementioned case 38 Lines and angles, why useful in optics 39 The not understanding this, a cause of mistake 40 A query proposed, by Mr. Molyneux in his DIOPTRICS, considered 41 One born blind would not at first have any IDEA of distance by sight 42 This not agreeable to the common principles 43 The proper objects of sight, not without the mind, nor the images of ...
— An Essay Towards a New Theory of Vision • George Berkeley

... objects to the soul except certain motions of matter (mouvemens corporels), but neither these motions, nor the figures which they produce, are conceived by us as they exist in the sensory organs, as I have fully explained in my "Dioptrics"; whence it follows that even the ideas of motion and of figures are innate (naturellement en nous). And, a fortiori, the ideas of pain, of colours, of sounds, and of all similar things must be innate, in order that the mind may represent them to itself, ...
— Hume - (English Men of Letters Series) • T.H. Huxley



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