“The damage caused by glaucoma can’t be reversed. But treatment and regular checkups can help slow or prevent vision loss, especially if you catch the disease in its early stages.

Glaucoma is treated by lowering intraocular pressure. There are treatment options.  Glaucoma treatment often starts with prescription eye drops. ”

MAYO CLINIC (https://www.mayoclinic.org/diseases-conditions/glaucoma/diagnosis-treatment/drc-20372846)