n. The popular name of the plant Euphrasia officinalis. Also called eyewort.n. Several plants which are either reputed remedies for diseases of the eye, or, more frequently, have bright flowers, usually with a central spot suggesting the pupil of the eye: Any plant of the genus Euphrasia.n. The sundew, Drosera rotundifolia.n. The Indian-pipe, Monotropa uniflora.n. The pimpernel or poor-man's weather-glass, Anagallis arvensis.n. The germander speedwell, Veronica Chamædrys: also called angel's-eye, bird's-eye, and god's-eye.n. The bluet or innocence, Houstonia cærulea.n. The officinal lobelia or emetic-weed, Rapuntium inflatum.