Abstract
Purpose: The present study aimed to evaluate the outcomes of a new technique for pterygium surgery using a plasma-based method. Methods: A clinical case series study was carried out in 6 patients. Six eyes with grade 2 or 3 of primary pterygium were operated. The pterygium head was detached from the corneal surface. Then, the free conjunctival edges were attached near the limbus using the plasma spots [generated by Plexr device (GMV, Rocca Priora, RM, Italy)]. Refractive Error (RE), Visual Acuity (VA), Intraocular Pressure (IOP), Contrast Sensitivity (CS), Corneal Fluorescein Staining (CFS), Tear Meniscus Height (TMH), High Order Aberrations (HOA), and Ocular Surface Disorder Index (OSDI) were measured before the operation, one week after the operation, as well asone, three, and six months post-surgery. Slit-lamp images were taken before surgery and six months after that. Results: No intraoperative and postoperative complications were observed. Mild degrees of pain, tearing, foreign body sensation, and irritation was reported during the first week after surgery. No significant change was found in IOP, CS, and TMH parameters during the 6-month follow-up. A slight improvement was measured in CFS and HOA after surgery. Compare to before surgery, RE, VA, and OSDI improved after pterygium removal. The follow-up examinations revealed pterygium recurrence in 2 eyes. Conclusion: Our results showed that plasma-assisted noninvasive surgery can provide a simple, fast, and effective techniquefor pterygium removal with no suture or glue. Although, considering the two observed recurrences in this study, we decided to modify the surgical method in the subsequent studies. Keywords: pterygium; treatment; plasma; noninvasive surgery; case series.
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