title: Effect of pterygium surgery on tear osmolarity.
abstract: Purpose. To investigate changes of dry eye test results in patients who underwent pterygium surgery. Methods. Seventy-four patients who underwent primary pterygium surgery were enrolled in this study. At the baseline, 3-, 12-, and 18-month visits, measurements of tear osmolarity, BUT, and Schirmer test were performed. The patients were divided into 2 groups: Group 1, which consisted of patients in whom pterygium did not recur, and Group 2, which consisted of patients in whom pterygium recurred after surgery. Results. The patients in Group 1 had lower tear osmolarity levels after surgery than those at baseline (all P < 0.001). In Group 2 the tear osmolarity levels did not differ from baseline after 18 months (P = 0.057). The prevalence rates of dry eye syndrome (DES) were lower than that at baseline and 18 months after surgery in Group 1 (P = 0.002). In Group 2, the incidence of DES was lower after 3 months than at baseline (P = 0.03) but was similar to the baseline rate after 12 and 18 months (both P > 0.05). Conclusions. Anormal tear film function associated with pterygium. Pterygium excision improved tear osmolarity and tear film function. However, tear osmolarity deteriorated again with the recurrence of pterygium.
authors: Department of Ophthalmology, Recep Tayyip Erdoğan University Medical School, 53100 Rize, Turkey.
authors: Kemal
authors: K
authors: Türkyılmaz
authors: Veysi
authors: V
authors: Oner
authors: Mehmet Şahin
authors: MŞ
authors: Sevim
authors: Ali
authors: A
authors: Kurt
authors: Berrak
authors: B
authors: Sekeryapan
authors: Mustafa
authors: M
authors: Durmuş
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