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  2. Western Springs station - Wikipedia

    en.wikipedia.org/wiki/Western_Springs_station

    Western Springs is a station on Metra's BNSF Line in Western Springs, Illinois. The station is 15.4 miles (24.8 km) from Union Station , the east end of the line. [2] In Metra's zone-based fare system, Western Springs is in zone 3.

  3. Adjustable-focus eyeglasses - Wikipedia

    en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

    Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia ) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both.

  4. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.

  5. Northern Ohio and Western Railway - Wikipedia

    en.wikipedia.org/wiki/Northern_Ohio_and_Western...

    The Northern Ohio and Western Railway (reporting mark NOW) is a rail line owned by OmniTRAX located in Northwest Ohio. It is based in Tiffin, Ohio, and operates between Tiffin, located on CSX's Williard Subdivision, and Woodville. It originally was a Pennsylvania Railroad (PRR) line that traveled from Toledo to Mansfield.

  6. Western Springs College - Wikipedia

    en.wikipedia.org/wiki/Western_Springs_College

    Western Springs College/Ngā Puna o Waiōrea is a state co-educational secondary school located in Western Springs, an inner suburb of Auckland, New Zealand. Western Springs College and Ngā Puna o Waiōrea teach collaboratively on one campus. The school educates approximately 1,810 students, from Years 9 to 13 (ages 13 to 18). [3]

  7. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    Eye examination for visual acuity. Visual acuity is a measure of the spatial resolution of the visual processing system. VA, as it is sometimes referred to by optical professionals, is tested by requiring the person whose vision is being tested to identify so-called optotypes – stylized letters, Landolt rings, pediatric symbols, symbols for the illiterate, standardized Cyrillic letters in ...

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