migraine aura

migraine aura A sensory phenomenon that may occur before a migraine. Visual auras may include flashing lights, geometric patterns, or distorted vision. Some people may have aural auras that involve hearing sounds (usually buzzing) that are not actually present, olfactory auras that involve smelling odors that are not actually present, or tactile auras that appear…

migraine, ocular

migraine, ocular A migraine involving the eyes that results in distortion of visual images, accompanied or followed by headache. An ocular migraine usually affects only one eye at a time. Image distortion generally begins in the center of the image and then moves to one side. Images “gray out” or look wavy, and sight may…

migraine

migraine Usually, periodic attacks of headaches on one or both sides of the head that may be accompanied by nausea, vomiting, increased sensitivity of the eyes to light (photophobia), increased sensitivity to sound (phonophobia), dizziness, blurred vision, cognitive disturbances, and other symptoms. Some migraines do not include headache, and migraines may or may not be…

midwife

midwife A trained person who assists women during childbirth. Many midwives also provide prenatal care for pregnant women, birth education for women and their partners, and care for mothers and newborn babies after the birth. Depending on local law, midwives may deliver babies in the mother’s home, in a birthing center or clinic, or in…