Hope not cuz ive noticed my red eyes and also dry mouth have extremely escalated kinda scared me about a week ago first time i saw emt hat red i was like shit there bleeeding lol but ive been usin lots of visine lately hopefully it dont hurt em i dont care those i live weith dont i am with being high and proud of it but i got a lil brother so being a activist is kinda hard... also i love being blazed fuckin high and walking around with clean white eyes cuz its funny for most poeple thats the deciding factor itas like omg this kid cant get up and hes still laughing hes high ...wait...his eyes are white everyoine mov e on.. lol funny .. good luck man id say the red eyes mean u r high as soon as u cant at all feel ur high or are not horribley at the begginging of coming down the eyes will be gone. visine is easy to get without paying for it.