Close association between the eye’s optic nerve and nerves causing the sneeze reflex may explain why an estimated 5-25% of people sneeze with sudden exposure to bright sunlight or other light sources.
Sudden bright stimulation of the eye that occurs after a person has become adapted to darker surroundings is thought to bring on the condition, known as photic sneeze reflex. The reflex also is called Autosomal Dominant Compelling Helioophthalmic Outburst Syndrome, known by the acronym ACHOO. (Not making this up. Really.)
Bright Lights and Sneezing
Ophthalmologists conducting eye examinations long have known about the sneeze reflex because it occurs so often under bright light used for viewing the eye’s interior structures.
Because the condition is considered mostly harmless and certainly not life threatening (unless you happen to be landing a plane), there aren’t many scientific studies regarding photic sneeze reflex.
However, the U.S.
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military has studied the condition in relation to how it might affect fighter pilots.
More About Light-Stimulated Sneeze Reflex:
The common photic sneeze reflex, which often creates multiple sneezes, is considered an inherited condition found more often in Caucasians.
A study reported by the British Journal of Ophthalmology noted that one form of the sneeze reflex appears related to another condition (nephropathic cystinosis) that causes abnormal crystal deposits on the clear front covering of the eye ( cornea). Nephropathic cystinosis, an inherited disease found mostly in Caucasians, is a metabolic condition affecting various parts of the body.
Injections to numb the eye for eye surgeries or procedures also have been associated with a sneeze response, although at least one study notes the condition does not appear the same as the more common photic sneeze reflex.
Speculation continues that more in-depth studies of photic sneeze reflex might enhance understanding of a central nervous system disorder (epilepsy), triggered by stimulus such as strobe lights.
2006-12-15 10:42:56
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answer #1
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answered by lisa h 4
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Actually the way it works on me is if I have an urge to sneeze but it won't come and I look into the sun then the sneeze will come... A really bright light will do the same.
2006-12-15 11:29:02
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answer #2
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answered by sophia 4
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When I look in the sun I don't feel like sneezing just like squinting. I always get the urge to sneeze when I pluck my eyebrows though.
2006-12-15 11:18:53
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answer #3
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answered by babeejazzy 3
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nope, you are crazy, lol, all it does, if you can look directly into the sun without squinting, blinking or being blinded will just hurt your eyes. I live in Arizona and the suns rays are so bright here, that I will get migraines if I am outdoors without sunglasses that have UVA and UVB protection. Other than that, I have never heard of sun making you sneeze, but I sneeze whenever I tweeze my eyebrows, eveytime I swear. So I am not one to judge.
2006-12-15 10:48:17
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answer #4
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answered by Barbara C 6
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looking into the sun does make you sneeze because when you look into the sun you get vitamin D and when you have extra vitamin D you sneeze
2006-12-16 03:54:02
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answer #5
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answered by Anonymous
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Looking into the sun burns your retinas... be careful when conducting your sneezing experiments... (that stuff about the fighter pilot testing sounded pretty cool..)
2006-12-15 14:34:52
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answer #6
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answered by River 3
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When I need to sneeze and I can't I look at any bright source of light and I sneeze.
2006-12-15 10:47:27
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answer #7
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answered by Anonymous
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yes it makes me sneeze
2006-12-15 12:57:19
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answer #8
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answered by Anonymous
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2016-10-15 00:48:12
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answer #9
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answered by Anonymous
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It's never had that effect on me. If you did, it does make you squint, and that alters the muscles and pathways around your nasal area. Perhaps that does make some people sneeze.
This is probably something like ice cream headaches. My wife can't eat cold things too fast, otherwise she gets a sharp headache. For me, it makes no difference.
2006-12-15 10:41:51
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answer #10
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answered by Uncle Pennybags 7
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