Changes of Tear Film Function after Pterygium Operation

Wang, Shili; Jiang, Bo; Gu, Yangshun

doi:10.1159/000321531

Cited by 23 publications

(23 citation statements)

References 31 publications

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“…Tear osmolarity, however, deteriorated after 12 months in cases of pterygium recurrence. The authors inferred that pterygium excision improves tear film function, supporting similar findings of two previous studies [23,24], and concluded that pterygium recurrence leads to dry eye.…”

Section: Discussionsupporting

confidence: 82%

Dry-Eye Disease in Recurrent Pterygium

Tan

Vollmer‐Conna

Tat³

et al. 2018

Ophthalmic Res

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Purpose: The aim of this paper was to investigate the degree of inflammation and dry-eye disease (DED) in recurrent pterygium. Methods: Fifty-five patients with a history of pterygium excision were divided into 3 groups – Group 1: no recurrence after the first excision; Group 2: recurrence after the first excision; Group 3: no recurrence after the second excision. Dry-eye symptoms and tear production were elicited for each patient. Results: A high prevalence of DED was observed in patients with primary and recurrent pterygium based on self-reported dry-eye symptoms (63.6%) and an abnormal Schirmer test result (78.1%). There was a statistically significant difference (p = 0.025) in the Schirmer test values between patients with (5.6 mm) and without (11.4 mm) recurrence after surgery for primary pterygium. Patients who were cured after a second excision had an improved Schirmer test value (9.5 mm), although this was not significant. Conclusion: Pterygium recurrence is associated with a greater severity of dry eye, possibly by perpetuating ocular surface inflammation in the postoperative period.

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Section: Discussionsupporting

confidence: 82%

Dry-Eye Disease in Recurrent Pterygium

Tan

Vollmer‐Conna

Tat³

et al. 2018

Ophthalmic Res

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“…However, conflicting results have also been reported [5, 18]. In 2 previous studies with follow-up periods of 1 [10] and 2 [11] months, the results of the BUT and mucus fern tests, but not the Schirmer test, improved significantly over their respective baseline values following pterygium excision. Conversely, another study with a 6-month follow-up period found no difference between the Schirmer and BUT test results at baseline and those obtained 1 and 6 months after surgery [19].…”

Section: Discussionmentioning

confidence: 99%

“…Several studies have used tear function tests, such as the Schirmer test or tear breakup time (BUT), to investigate the relationship between pterygium and dry eye syndrome (DES), with conflicting results [5, 8, 9]. In addition, a very few studies have evaluated the effects of the excision of pterygium on tear function [10, 11]. …”

Section: Introductionmentioning

confidence: 99%

Effect of Pterygium Surgery on Tear Osmolarity

Türkyılmaz

Öner

Sevim

et al. 2013

Journal of Ophthalmology

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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.

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“…14 Wang S et al found that TBUT in the eyes with pterygium when compared with the opposite healthy eyes were significantly different (p < 0.05). 15 Rajab AY had found that mean TBUT in pterygium patients was 11.4±6 seconds while in control group the mean TBUT was 15±4.5 seconds. There was significant difference between the mean TBUT of the two groups.…”

Section: Tear Film Break Up Time (Tbut)mentioning

confidence: 96%

Clinical correlation between dry eye and pterygium: a study done at government medical college Jammu, Jammu and Kashmir, North India

Manhas

Gupta

et al. 2017

Int J Res Med Sci

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Background: To study the prevalence of dry eye among the patients of pterygium and to find the clinical correlation between dry eye and pterygium.Methods: The study was conducted at postgraduate department of Ophthalmology of GMC Jammu over a period of one year. 90 pterygium patients and 180 age and sex matched controls presenting to the eye OPD of GMC Jammu were included in the study. The TBUT, Schirmer’s test, basal tear secretion and Rose Bengal staining score were estimated in all patients. A TBUT of less than 10 seconds, a Schirmer’s test of less than 10mm, basal tear secretion of less than 10mm, Rose Bengal staining score of more than 3 were considered abnormal.Results: Redness 57 (63.33%) was the most frequently occurring symptom in pterygium patients followed by cosmosis 49 (54.44%). The mean TBUT, mean Schirmer’s, mean basal secretion and mean Rose Bengal staining score values were 9.88±3.39 seconds, 13.17±4.57mm, 10.11±4.81mm and 3.27±1.85 in pterygium patients and 14.22±3.99 seconds, 16.40±5.21mm, 12.19±5.05mm and 2.49±1.86 in the control group respectively. There was a statistically significant difference in the dry eye results between the pterygium patients and control groups (p<0.001). The odd’s ratio between dry eye and pterygium was 3.83, dry eye was present in 53 pterygium patients.Conclusions: The prevalence of dry eye in pterygium patients was 58.89% which suggests that there is a strong positive clinical correlation between dry eye and pterygium.

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Changes of Tear Film Function after Pterygium Operation

Cited by 23 publications

References 31 publications

Dry-Eye Disease in Recurrent Pterygium

Dry-Eye Disease in Recurrent Pterygium

Effect of Pterygium Surgery on Tear Osmolarity

Clinical correlation between dry eye and pterygium: a study done at government medical college Jammu, Jammu and Kashmir, North India

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