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 Doctor Is Sick undergoing a battery of diagnostic tests, Mrs Spindrift amuses herself with some disreputable new friends at nearby pubs. Sometimes, to Edwin's distress, she sends these friends to keep her husband company during visiting hours, rather than come herself. Most of the novel is a dream sequence: while he is anaesthetised for brain surgery, Edwin's anxiety over his wife and the company she keeps turns into a fantasy in which Edwin leaves the hospital and encounters his wife's friends, with whom he has various adventures. Shortly before he wrote "The Doctor Is Sick" Burgess suffered an obscure mental breakdown that ended