There have been a number of advances in Ophthalmology in the management of the aging eye.  This video discusses corneal transplantation - penetrating keratoplasty vs endothelial keratoplasty; cataract surgery - manual vs femtosecond laser assisted cataract surgery; glaucoma surgery - trabeculectomy vs microinvasive glaucoma surgery and vitreolysis - vitrectomy vs YAG vitreolysis.  Technology is advancing, but keep a healthy skepticism.