Turbit definition, one of a breed of domestic pigeons having a stout, roundish body, a short head and beak, and a ruffled breast and neck. See more. Dictionary.com
The anterior angle. Lesions that involve the anterior angle of the chiasm, the point at which the optic nerve passes into and forms the chiasm, may show a junctional scotoma (Traquair, 1949) since there is at this point separation of the crossing and uncrossed fibers.
Migraine: A scintillating scotoma occurs with some migraines. It is a distortion of the side vision with a shimmering or wavy effect. The vision in the area of the shimmer is impaired. It is typically in both eyes at the same time, although it can be more prominent in one.