Central corneal thickness and its relationship to Parkinson s disease severity     
Yazarlar (5)
Prof. Dr. Dürdane AKSOY Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Hüseyin Ortak
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Semiha Gülsüm Kurt
Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Emre Çevik
Prof. Dr. Betül ÇEVİK Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı CANADIAN JOURNAL OF OPHTHALMOLOGY-JOURNAL CANADIEN D OPHTALMOLOGIE
Dergi ISSN 0008-4182 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI
Dergi Grubu Q4
Makale Dili İngilizce
Basım Tarihi 04-2014
Cilt No 49
Sayı 2
Sayfalar 152 / 156
DOI Numarası 10.1016/j.jcjo.2013.12.010
Makale Linki http://linkinghub.elsevier.com/retrieve/pii/S0008418214000088
Özet
To investigate the effect of Parkinson's disease (PD) on blink rate (BR), tear breakup time test (TBUT), Schirmer's test, and corneal thickness, and the relationship of these effects with disease severity. Prospective controlled study. Fifty-five eyes from 55 patients with PD and 40 eyes from 40 healthy subjects were analyzed in the study. The patients were divided into 2 groups according to their Hoehn-Yahr (H-Y) scores; patients classified as H-Y 1-2 were designated as the mild group, and those classified as H-Y 3-5 were designated as the moderate group. Subjects were screened for BR, TBUT, and Schirmer's test, and the central corneal thickness (CCT) was measured. The BR, Schirmer's test, TBUT, and CCT values of the patient group were significantly lower than those of the control group. The BR and TBUT of the mild group were significantly lower than those of the control group, but the decreases in the Schirmer's test values and CCT were not statistically significant. In addition, significant decreases in the BR, TBUT, Schirmer's test scores, and CCT were observed in the patient group as the H-Y score increased. A reduced BR and poor tear quality in the early stages of PD, as well as decreased tear production as the disease progresses, can result in reduced CCT. The possibility of a thin cornea should be taken into consideration while measuring the intraocular pressure in patients with severe PD.
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