A 22-year-old male asked:
How does anxiety cause occasional blurred vision, halos around lights, and eye strain?
1 doctor answer
Dr. Peter Forster answered
35 years experience in Psychiatry
Affects Eye Muscles: Anxiety raises the level of activation of the sympathetic nervous system (the "fight or flight" system). This prepares the person for anticipated danger. Vision needs to be very sensitive to light or movement, but the details don't matter as much when you are facing a tiger in the dark (for example). And fight or flight is not supposed to last, it is a strain over time.
Answered on Jun 24, 2018
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