You ever had to sneeze and you work it, waiting for it to build and...
Damn! Nope.
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If I look up at a bright light bulb or the sun, it brings on the sneeze...
Dark to light?
KeK
Me too
If I want to sneeze I look at a bright light and sniff a couple of times
It's something to do with the wiring of the optic nerve bundle and the nose sensors.
The bright light and sniffing triggers the sneeze.
FWIW I got rid of a beginning cataract with a drop a day of medicinal quality Castor oil.