'Eye problems' are common symptoms with PD.
this is no joke, i've been watching this guy's videos for a couple of years
dr david sinclair (Phd) is a best-seller on NY Times
he is an anti-aging specialist and talks about his latest research with mice and monkeys that is reversing BLINDNESS caused by glaucoma or STROKE.
this is a 6 minute video
he has dozens of videos on YouTube