As echooos echooos said:

The photic sneeze reflex (also known as photoptarmosis, Autosomal Dominant Compelling Helio-Ophthalmic Outburst Syndrome (ACHOO)^[1] and colloquially sun sneezing) is a condition that causes variably difficult to control sneezing in response to numerous stimuli, such as looking at bright lights or periocular (surrounding … Read more

Right now, out here it's the darn pollen ! For about the next month or so will be bad. Always makes me sneeze !