Eye chart chart or Jaeger chart can be used. While the Snellen chart remains the default, some authors have argued that the logMAR chart is superior. The logMAR chart presents the same number of symbols on each line, uses a typeface with letters that are equally legible at various sizes, and by varying the symbol size logarithmically, it is easier to use at nonstandard distances. As a consequence of these improvements, the logMAR chart has been proposed as a more reliable tool for measuring visual acuity. However, the logMAR chart has not yet been widely adopted. It can be difficult to measure
Four Letter Word (Beady Eye song) Four Letter Word (Beady Eye song) "Four Letter Word" is a single by English band Beady Eye, released on Beady Eye Records as "BEADY3". The track is also featured on their 2011 debut album "Different Gear, Still Speeding" as the opening track. The video for the song was premièred exclusively for NME and also on the band's official website on 26 December 2010, at the same time a limited edition 7" vinyl was released on 17 January 2011 on 7" vinyl backed with new track "World Outside My Room". All songs written by Liam Gallagher, Gem Archer, and Andy Bell.