Introduction
DRY EYE
Artificial tears, secretagogues, and anti-inflammatory eye drops have been widely used for dry eye (DE) treatmentPlatelet-derived eye drops, such as those containing platelet-rich plasma (PRP), plasma rich in growth factors, and platelet lysate, have recently been introduced for treating ocular surface disordersThe clinical effect of AS and PRP in primary SS DE has not been extensively evaluated. This prospective randomized study aimed to compare the efficacy of AS and PRP eye drops on clinical DE parameters and goblet cells in primary SS DE.