AUTHOR=Khan Abdullah M. , Abdalla Elsayed Maram E. A. , Malik Rizwan TITLE=Case report: Inferior valved for non-valved glaucoma drainage device exchange for glaucoma control and cosmesis JOURNAL=Frontiers in Ophthalmology VOLUME=4 YEAR=2024 URL=https://www.frontiersin.org/journals/ophthalmology/articles/10.3389/fopht.2024.1361898 DOI=10.3389/fopht.2024.1361898 ISSN=2674-0826