Trail vision is a relative explanation for a person in the Boy Scouts of America who has been on a trek,in camp,or simply has been surrounded by guys too long. Simply stated if one is experiencing Trail Vision they see girls only in 6-10 "rating" and nothing less.
"Dude do I have Trail Vision or is she a flat out TEN?!"

"Chill bud you have it for sure"
by Boe Jangles March 1, 2016
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