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.
Definition of 'prescriptive'. prescriptive. A prescriptive approach to something involves telling people what they should do, rather than simply giving suggestions or describing what is done. ...prescriptive attitudes to language on the part of teachers. The psychologists insist, however, that they are not being prescriptive. Synonyms: dictatorial, rigid, authoritarian, legislating More Synonyms of prescriptive