Definition of "photophobia" []

• An abnormal sensitivity to or intolerance of light, especially by the eyes, as may be caused by eye inflammation, lack of pigmentation in the iris, or various diseases. (noun)
• An abnormal or irrational fear of light. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "So you know, when a patient has this sort of symptoms which are sometimes stiff neck, they may have headache, they may have what is known as photophobia, which is aversion to lights."
• "For example, if you're having a migraine headache, light can actually cause dramatic increase in pain, it's actually something known as photophobia, where people actually become fearful of light."
• "Sensitivity to light is called photophobia, that can be very significant."