Snellen chart H, K, O, S, 3, U, Y, A, C, E, G, L, 2. The normal Snellen chart is printed with eleven lines of block letters. The first line consists of one very large letter, which may be one of several letters, for example E, H, or N. Subsequent rows have increasing numbers of letters that decrease in size. A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific
The Name of the Doctor of which, subtitled "The Name of the Doctor", Strax informed the Sontarans of a great battle predicted to occur and admitting suspicions that it had to do with the Doctor's greatest secret. He informed Sontar that the operation was called "The Name of the Doctor". In the second, subtitled "A Glorious Day Is Almost Upon Us...", Strax discussed a 'glorious day' in which death was likely. The final field report — "The Doctor's Greatest Secret" — discussed the cliffhanger, commenting that this new Doctor had the appearance of a warrior. This was the only field report released after the episode.