https://www.mayoclinic.org/diseases-conditions/optic-neuritis/symptoms-causes/syc-20354953
Read this. Here is the optimistic take home.
“Most people who have a single episode of optic neuritis eventually recover their vision without treatment. Sometimes steroid medications may speed the recovery of vision after optic neuritis.”
But that’s assuming optic nerve inflammation is the problem.
Did your friend go to an opthamologist?
Thank you.
Yes went to ophthalmologist...