Supreme High Priest, the Pilgrim's Light. A. M. Toplady. [Christ the High Priest, or Lent.] First published in his Poems on Sacred Subjects, Dublin, 1759, p. 20, in 12 stanzas of 4 lines, and again in Sedgwick's reprint of Toplady's Poetical Works, 1860. In Drummond and Greville's Church of England Hymn Book, 1838, st, v.-viii. were given, unaltered, as "Ah, give me, Lord, the single eye." These stanzas have passed into later collections.
-- John Julian, Dictionary of Hymnology (1907)