Abstract
ObjectiveWe aimed to evaluate central corneal thickness (CCT) in patients with rosacea in comparison to a healthy control group and to investigate any correlations by using the Schirmer test, tear break-up time (TBUT), and disease severity. DesignProspective nonrandomized study. ParticipantsPatients with mild to moderate rosacea (n = 51) and a group of healthy individuals (n = 51) were included. MethodPatients were evaluated by a dermatologist; disease severity was determined and total rosacea severity score was calculated for each patient. CCT measurements were performed using ultrasonic pachymetry. Tear function tests, including Schirmer and TBUT, were also performed. ResultsThe mean CCT value was significantly lower in patients with rosacea than in the control group (544.91 ± 29.41 μm vs 559.40 ± 24.18 μm, p = 0.003). The mean Schirmer test value was significantly lower in patients than in controls (10.54 ± 6.09 mm vs 19.13 ± 4.24 mm, p < 0.0001), and the mean TBUT was shorter in the group with rosacea than in the controls (8.32 ± 3.50 s vs 16.67 ± 5.76 s, p < 0.0001). CCT values were found to be correlated with the Schirmer test values in the rosacea group (r = 0.33, p = 0.01). ConclusionsPatients with rosacea have thinner corneas, which could be attributed to the observed deteriorated tear function parameters. Candidates for corneal photoablation surgery should be evaluated regarding rosacea disease because the postoperative period could be complicated by decreased ocular wetting and corneal thinning, even in overlooked mild forms.
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More From: Canadian Journal of Ophthalmology/Journal canadien d'ophtalmologie
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