Wife of Lord Richard, cursed with the “sleepless eye.” Alice
signed Urgan the dwarf thrice with the sign of the cross, and he became
“the fairest knight in all Scotland;” when Alice recognised in him her
own brother. —SirWalterScott: The Lady of the Lake, iv. 12.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894