Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTypes of Study Designs.AuthorsSomasundaran, SandhyaPublicationKerala Journal of Ophthalmology, 2022, Vol 34, Issue 3, p279ISSN0976-6677Publication typeArticleDOI10.4103/kjo.kjo_125_22