Definition for Photoptarmosis
From Biology Forums Dictionary
Revision as of 14:56, 31 March 2013 by Bio man (Talk | contribs) (Created page with "The photic sneeze reflex (also known as photoptarmosis, colloquially known as "sun sneezing") is a condition of uncontrollable sneezing in response to numerous stimuli, such as l...")
The photic sneeze reflex (also known as photoptarmosis, colloquially known as "sun sneezing") is a condition of uncontrollable sneezing in response to numerous stimuli, such as looking at bright lights or periocular (surrounding the eyeball) injection. The condition affects 18–35% of the population, but its exact mechanism of action is not well understood.