Eye chart smaller symbols until the person cannot identify the symbols. The smallest symbols that can be reliably identified is considered the person's visual acuity. The Snellen chart is the most widely used. Alternative types of eye charts include the logMAR chart, Landolt C, E chart, Lea test, Golovin–Sivtsev table, the Rosenbaum chart, and the Jaeger chart. Charts display several rows of optotypes, which are standardized symbols for testing vision. Optotypes are usually letters, numbers, or geometric symbols. Each row of the chart depicts optotypes of a different size. Typically the largest optotypes are in the top row. The optotypes become progressively
The Name of the Doctor Award for Best Dramatic Presentation (Short Form), along with The Day of the Doctor, An Adventure in Space and Time and The Five(ish) Doctors Reboot. As well as being released on DVD and Blu-ray in a box set alongside the rest of the "Series 7" episodes on 28 October 2013, the episode was announced as being a part of a limited edition "50th Anniversary Collection" on 23 July 2014. This special DVD and Blu-ray box set was released on 8 September 2014. The Name of the Doctor "The Name of the Doctor" is the thirteenth and final episode of the