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  2. Night vision - Wikipedia

    en.wikipedia.org/wiki/Night_vision

    Before the introduction of image intensifiers, night glasses were the only method of night vision, and thus were widely utilized, especially at sea. Second World War era night glasses usually had a lens diameter of 56 mm or more with magnification of seven or eight. Major drawbacks of night glasses are their large size and weight.

  3. United Kingdom driving test - Wikipedia

    en.wikipedia.org/wiki/United_Kingdom_driving_test

    Before getting to the car, the examiner will ask the candidate to read a car's number plate at a distance. The distance required is 20.5 metres (67 ft) for an old-style plate (A123 ABC) and 20 metres (66 ft) for a new style plate (AB51 ABC). [23] If the candidate needs corrective lenses to do this, then they must be worn during the test.

  4. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    A myopic individual can see clearly out to a certain distance (the far point of the eye), but objects placed beyond this distance appear blurred. [16] [25] If the extent of the myopia is great enough, even standard reading distances can be affected.

  5. Essilor - Wikipedia

    en.wikipedia.org/wiki/Essilor

    Essilor International is a French multinational corporation specialized in the design, manufacture and sale of corrective lenses and ophthalmic optical equipment. [1] Founded in 1972 out of the merger of two French companies operating in the sector, Essel and Silor, [2] it is headquartered in Charenton-le-Pont, near Paris.

  6. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    The largest letter on an eye chart often represents an acuity of 6/60 (20/200), the value that is considered "legally blind" in the US. Many individuals with high myopia cannot read the large E without glasses, but can read the 6/6 (20/20) line or 6/4.5 (20/15) line with glasses. By contrast, legally blind individuals have a visual acuity of 6/ ...

  7. Striking Distance - Wikipedia

    en.wikipedia.org/wiki/Striking_Distance

    Striking Distance is a 1993 American action thriller film starring Bruce Willis as Pittsburgh Police homicide detective Thomas Hardy. The film co-stars Sarah Jessica Parker , Dennis Farina , and Tom Sizemore .

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