Eye chart number). The denominator indicates the distance in feet at which a person with normal vision could stand to correctly identify the same symbols identified by the person tested. For example, a visual acuity of 20/20 is considered normal. Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision. There is often also a need to test a subject's vision at near or occupational tasks (such as reading or computer use). For these situations, a Rosenbaum
Love Is a Four Letter Word (album) drama soundtrack for some." Loh Chuan Junn from MediaCorp's xinmsn opined that "every song on this album is listenable, but when put on loop, Mraz's relentlessly upbeat and happy romanticism grows increasing annoying for even the least cynical." In the United Kingdom, the album debuted at number two on the UK Albums Chart behind Adeles "21" by a margin of 44 copies. It sold 17,021 copies and is Mraz' highest-charting album there. In the United States, "Love Is a Four Letter Word" debuted at number two on the "Billboard" 200, becoming his highest-charting album. It sold 102,000 copies in its