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
Eye of Horus to his father, Osiris, in hopes of restoring his life. Hence, the eye of Horus was often used to symbolise sacrifice, healing, restoration, and protection. The Eye of Horus can be represented as a solar, lunar, and ornithological symbol. This is due to Horus being a solar and lunar deity as well as having a bird-like appearance. There are seven different hieroglyphs used to represent the eye, most commonly "ir.t" in Egyptian, which also has the meaning "to make or do" or "one who does". In Egyptian myth the eye was not the passive organ of sight but more an