trabeculoplasty

noun

tra·​bec·​u·​lo·​plas·​ty trə-ˈbek-yə-lō-ˌplas-tē 

plural trabeculoplasties

: plastic surgery of a trabecula

specifically : laser surgery to create small openings in the trabecular meshwork of the eye from which the aqueous humor can drain to reduce intraocular pressure caused by open-angle glaucoma