The<unk>  (also known as Autosomal Dominant Compelling Helio-Ophthalmic Outburst (ACHOO) syndrome or photosneezia, from the Greek φῶς, phōs, "light" and colloquially sun<unk> ng) is an inherited and congenital autosomal dominant reflex condition that causes<unk> ng in response to numerous stimuli, such as looking at bright lights or periocular (surrounding the eyeball) injection. The condition affects 18–35% of the world's population, but its exact mechanism of action is not well understood.
Photic sneeze reflex
Pharyngeal reflex
Snout reflex
Pressure of speech
Alaryngeal speech
Palmomental reflex
Tonic labyrinthine reflex
Chaddock reflex