GreenGadget Posted October 11, 2020 Report Share Posted October 11, 2020 Hello, I just completed this as I suffer from 'photosnezia', namely sneezing due to bright lights. I do not have hppd but a lot of the questions on the survey were reminiscent of hppd symptoms that i have read about.....could possibly be a scientific lead? Here is the survey: http://sneezestudy.org/ Link to comment Share on other sites More sharing options...
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