Eyebright herb can easily be found in most health or natural food stores. It is available in teabags, loose dried leaves, powder, liquid, tablets, capsules, tincture, and oil. It is also occasionally packaged with dried bilberries which is also used in the treatment of eye related conditions.
Learner's definition of PREDICTIVE. [more predictive; most predictive] formal. : making it possible to predict what will happen : useful in the prediction of something. The test does not have much predictive value. High blood pressure is predictive of future heart problems.
Synonym Discussion of forecast. foretell, predict, forecast, prophesy, prognosticate mean to tell beforehand. foretell applies to the telling of the coming of a future event by any procedure or any source of information seers foretold the calamity. predict commonly implies inference from facts or accepted laws of nature astronomers predicted an eclipse.