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
Thou shalt not take the name of the Lord thy God in vain referred to this as "motzi shem shamayim lavatalah", "uttering the Name of Heaven uselessly." To avoid guilt associated with accidentally breaking the commandment, Jewish scholars applied the prohibition to all seven biblical titles of God in addition to the proper name, and established the safeguard of circumlocution when referring to the Name of God. In writing names of God, a common practice includes substituting letters or syllables so that the written word is not exactly the name, or writing the name in an abbreviated manner. Orthodox Jews will not even pronounce a name of God unless it is said in