Word: visione
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Dates: during 1950-1959
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...more than 3,000 years, doctors were balked in their efforts to restore anything like normal vision to elderly eyes clouded by cataracts. In modern times they have been able to cut into the eyeball, remove the cataract-clouded lens, and try to make up for the loss of the lens by spectacles. But they have not dared to insert a substitute in the eyeball. Now a British eye surgeon reports a way to do just that: a carefully ground lens made of plastic is slipped into the eyeball during the operation and stays there...
...Clearly." Twenty operations were done long enough ago to allow the vision in the repaired eye to be measured. Two of these have better than "normal" visual acuity-i.e., they can read letters at 20 feet, where normal calls for 16 feet. Five have normal acuity, and five more can read at 20 feet what normal eyes can read at 30. The other eight taper off to 20/120. The plastic lenses are focused for distant vision (20 feet to infinity); for reading or playing cards, the patients need glasses...
Ruggedly objective, Cézanne insisted, finally, that "the painter must rely on his vision. He must do everything according to nature, with much reflection, because every color-touch must contain air, light, the object, the plan ... in a word, all that which constitutes a painting...
...Thank God for Winston Churchill.' But I do now. We need a man of courage and vision. We are in the worst jam we have ever been in, and unless every man, woman and child wakes up, we will go completely down the drain...
Biggest drawback to delta wing planes is their performance at low speeds. To maintain lift during landing and take-off they must hold their noses awkwardly high, limiting the pilot's vision at times when he needs it most. But there are fighters already on the drawing board that will meet this difficulty with adjustable wings...