| 31. | A different model of toric lenses is created by Alcon and may correct up to 3 diopters of astigmatism.
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| 32. | The diopter gave the opportunity for spectacular deep focus-compositions that would have been impossible to achieve otherwise.
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| 33. | Concentric circles are also found in diopter sights, a type of mechanic sights commonly found on target rifles.
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| 34. | On 28 November 1906, the 5th order diopter lamp was substituted by an optical device of greater range.
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| 35. | Two years ago, Azar said, he performed Lasik only on people needing more than 6 diopters of correction.
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| 36. | Trifocals are mostly used by people with advanced presbyopia who have been prescribed 2 diopters or more of reading addition.
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| 37. | A + 10 diopter lens, which has a focal length of 10 centimeters, would make a good magnifying glass.
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| 38. | The non-aiming eye can be blocked from seeing distractions by mounting a semi-transparent occluder to the diopter.
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| 39. | The small diopter viewing opening ensures the shooter's eye is very precisely and consistently centered behind the diopter sight.
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| 40. | The small diopter viewing opening ensures the shooter's eye is very precisely and consistently centered behind the diopter sight.
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