Eye-lash

Mr. Thomas assured me he has more than once put his finger upon the cornea itself, which then appeared insensible; but when he touched the eye-lid or eye-lash, she was instantly sensible of it.

Source: wiktionary

You will not confound that mal-position of the eye-lash arising from an improper obliquity in its direction, with those cases where the capsule of the cilium is situated at the innermost edge of the tarsal border, or within and beneath the mucous membrane in some other situation (where, when the hair grows it must of necessity project against the eye-ball,) because they will generally require very different methods of cure;

Source: wiktionary

In the twenty minutes that he had been intently watching the stranger, Gordon would have sworn that the other's face had not moved by so much as the twitch of an eye-lash.

Source: wiktionary