Cool great they are studying it, just don’t hold your breadth that they will have found an answer really very soon. That the cure is around the corner or anything like that.

If they are right about the mitochondria levels being a indicator for whether or not you'll get glaucoma, then deep red light therapy should also make a difference.
https://www.medicalnewstoday.com/articles/3-minutes-of-deep-red-light-can-improve-a-persons-vision
Seems like there's some evidence that Vitamin B3 (nicotinamide) and Deep Red Light could help glaucoma patients keep their eye's health in check.