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 in other places in time and space. She enters the time stream to restore the Doctor's timeline. Echoes of Clara fall through space and time and appear in adventures of the Doctor's previous incarnations. The Doctor enters the column of light to save the original Clara, guiding her from a place where she sees several previous incarnations of the Doctor. Reunited, the two spot another figure in the shadows which Clara does not recognise. The Doctor explains the elderly figure is another past incarnation of himself, but what he did in the past was not in the Doctor's name. Imagery