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  • Title: Conjunctival impression cytology and tear-film changes in patients with familial Mediterranean fever.
    Author: Karalezli A, Borazan M, Yilmaz S, Kiyici H, Akova YA.
    Journal: Acta Ophthalmol; 2009 Feb; 87(1):39-43. PubMed ID: 19094172.
    Abstract:
    PURPOSE: To evaluate the ocular surface changes and tear-film functions in patients with familial Mediterranean fever (FMF). METHODS: This prospective case-control clinical study examined 35 patients with FMF (group 1) and 35 controls (group 2). All patients underwent a full ophthalmological examination. Ocular surface changes were evaluated by determining cell content of surface conjunctival epithelium using conjunctival impression cytology and tear-film functions using Schirmer-I, break-up time (BUT), corneal fluorescein and Rose Bengal tests. Subjective ocular complaints were scored with a four-point scale. Between-group results were compared. RESULTS: In group 1, impression cytology revealed grade 0 changes in 15 eyes, grade 1 changes in 11 eyes and grade 2 changes in nine eyes in group 1; in group 2, it revealed grade 0 changes in 27 eyes, grade 1 changes in five eyes and grade 2 changes in three eyes (p = 0.013). Mean goblet cell density was 765 +/- 45 cells/mm(2) in group 1 and 1730 +/- 100 cells/mm(2) in group 2 (P < 0.001). Mean results on the Schirmer-I test results were 17.36 +/- 3.18 mm in group 1 and 19.60 +/- 4.17 mm in group 2 (p = 0.364). Mean BUT was 8.20 +/- 1.60 seconds in group 1 and 9.93 +/- 2.33 seconds in group 2 (p = 0.001). Mean corneal fluorescein and Rose Bengal staining scores were 3.26 +/- 1.67 and 0.96 +/- 0.71 in group 1 and 1.37 +/- 0.34 and 0.40 +/- 0.49 in group 2 (p = 0.037, p = 0.005). The presence of subjective ocular complaints was more frequent in group 1 than in group 2. CONCLUSION: Despite normal tear production, the ocular surface and tear-film functions of FMF patients differ from those of healthy individuals. These changes may be related to the chronic inflammatory nature of FMF.
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