Why Do I Sneeze When I Look At The Sun
Camila Farah
A process that occurs when one part of the parasympathetic nervous system such as the pupil of the eye is excited by a stimulus and happens to activate other parts of the system as well such as the membranes in the nose.
Another nervous system related hypothesis states that these sun related sneezes might occur thanks to parasympathetic generalisation. It carries sensory information down different branches across the face and under the eye nose mouth and jaw. The photic sneeze reflex also known as autosomal dominant compelling helio ophthalmic outburst achoo syndrome or photosneezia from the greek φῶς phōs light and colloquially sun sneezing is a reflex condition that causes sneezing in response to numerous stimuli such as looking at bright lights or periocular surrounding the eyeball injection. Since sneezing is such a sudden and involuntary reflex the cause is probably located in the nervous system which is capable of transmitting signals very quickly.
Additionally a not yet established length of time in a darkened space called a. Sunlight is a trigger but artificial illumination from light bulbs and camera flashes can also cause sneezes.
Source : pinterest.com