vertigo (motion sickness or dizziness), imbalance, confusion or numbness;
but most auras consist of visual disturbances such as partial vision loss, the appearance of "special effects" and distortion of objects. Sometimes the visual effects can be dramatic, says Dr. Mays—flashing lights, complex color patterns and shapes (e.g., triangles and dots), and floaters (the perception that some tiny foreign object is floating across the eye). An individual might also
see shimmering or zig zag lines in the peripheral vision and blurriness in central vision.Ocular migraine can produce various degrees of vision loss or obstruction.
missing sections in the normal visual field, or they may experience a shade of
black or gray over the visual field. Some people compare the visual phenomena of ocular migraine to the patterns produced by an old television with faulty reception, says Dr. Mays.
Charles S. Yanofsky,And Here I thought they were just all on drugs.
M.D. wrote: "As
an aside, visual auras have been a topic of fascination for
a very long time. Visual episodes were noted in antiquity. More
famous neurologist-author Oliver Sacks has written extensively
Lewis Carroll, author of ALICE IN WONDERLAND, suffered from migraine
unusual visual distortions, heralding his headaches still known today as the
"Alice in Wonderland syndrome". Undoubtedly these visions were employed in
writings. He might never have been the creative person he was if not for
migrainous visions. Undoubtedly migrainous visual phenomena are behind
miraculous apparitions in Macbeth, and Ezekiel’s brilliant visions in
and, very likely a good number of other religious hallucinations.
We owe it all
to migraine. To be fair, some of these visionaries had good
had other disorders causing visual distortions and
hallucinations such as
schizophrenia, but some undoubtedly were migraneurs."