Photic Sneeze Reflex – also known as ACHOO or Autosomal Dominant Compelling Helio-Ophthalmic Outburst – is a condition characterized by uncontrollable sneezing after exposure to bright lights, usually sunlight. As such, those afflicted with this condition are called “sun sneezers.” Sneezing is an important body process. It protects the nasal cavity from irritants. Usually, the fine nose hairs in the …
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