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
The Name of the Doctor looks forward and back". On 12 May 2013, a week before the official premiere of "The Name of The Doctor", it was announced that 210 "Doctor Who" fans in the United States had received their Blu-ray box set of the second half of the seventh series early due to a production error. After successfully requesting that they not reveal the plot, the BBC sent the recipients copies of an interview with the cast. Moffat later complimented the "210 of them, with the top secret episode in their grasp – and because we asked nicely, they didn't breathe a word." "The