Do you have to pull your long hair behind your ears for the passport photo?

I had my passport photo taken a few days ago and the person taking the picture instructed me to tuck my hair behind my ears. I was hesitant to do so considering

Source: http://www.us-passport-service-guide.com/do-you-have-to-pull-your-long-hair-behind-your-ears-for-the-passport-photo.html

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