The terms retinal migraine and ocular migraine are often confused with visual migraine, which is a far-more-common symptom of vision loss, resulting from the aura phase of the common migraine. The aura phase of migraine can occur with or without a headache.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  mentalism(Noun) The doctrine that physical reality exists only because of the mind's awareness. 2  mentalism(Noun) Activities such as mind reading, especially when used by performers.
The definition of materialism is the philosophy that everything can be explained in terms of matter, or the idea that goods and wealth are the most important things. 1  An example of materialism is explaining love in terms of material things. 2  An example of materialism is valuing a new car over friendships.