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      The Correlation between Daily Lens Wear Duration and Dry Eye Syndrome

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          Abstract

          AIM:

          To analyze the correlation between the daily lens wear duration and dry eye syndrome.

          SUBJECTS AND METHODS:

          This study was an analytic cross sectional study using consecutive sampling conducted among the students in Economy and Bussiness Faculty and Faculty of Humanities in University of Sumatera Utara aged between 17 to 23 that wore contact lens continously for at least a year and 5 days a week. The symptoms were assessed using Contact Lens Dry Eye Questionnaire-8 (CLDEQ-8) and interview about their contact lens comfort; eye drops usage, contact lens washing habit, daily circumstances, places to buy contact lens and personal experince in wearing contact lens.

          RESULTS:

          The questionnaire was completed by 53 students. All of them were female and wore softlens wearers. The mean duration of daily wear was 8.19 ± 2.20 hours. The most common symptom experienced was dry eye and the least symptom experienced was removing lens. The most frequent symptom experienced was closing eyes and the least frequent symptom experienced was removing lenses. This study used Exact Test as analysis statistic method. The result was p > 0.05 which means there is no correlation between daily lens wear duration and dry eye syndrome.

          CONCLUSION:

          This study showed that dry eye syndrome was not correlated with daily lens wear duration, but affected by many factors such as contact lens, lens care solution, eye drops usage and environment.

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          Most cited references25

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          The impact of contact lens wear and visual display terminal work on ocular surface and tear functions in office workers.

          To evaluate the effect of contact lens (CL) wear and visual display terminal (VDT) work on the ocular surface and tear functions. Prospective case-control study. Sixty-nine CL wearers (45 women and 24 men; mean age, 35.2 ± 7.3 years), and 102 age- and sex-matched non-CL wearers were enrolled in the study (66 women and 36 men; mean age, 36.7 ± 7.3 years). Ocular surface and tear function tests, including vital stainings (fluorescein and rose bengal), Schirmer test, tear meniscus height measurement, and tear film break-up time were performed. The subjective symptoms of dry eyes were evaluated using a dry eye symptom questionnaire. The participants were divided into 4 subgroups according to the total time of VDT work in 1 day (VDT work time in 1 day ≥ 4 hours or < 4 hours) and presence of CL wear. Main outcome measures included ocular surface vital staining scores, Schirmer test results, tear film break-up time, tear meniscus height measurement, and symptom questionnaire score. CL users and long-term VDT workers showed significantly worse tear meniscus height values than non-CL users and short-term VDT workers (P < .001). The mean visual symptom scores in CL wearers and long-term VDT workers were significantly higher than the other groups (P < .001). Office workers who wore CLs and spent more than 4 hours engaged in VDT work had a lower tear meniscus volume with significant dry eye and visual symptoms triggered by environmental factors. Copyright © 2011 Elsevier Inc. All rights reserved.
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            Factors in the success of new contact lens wearers.

            To determine the first-year retention rate for patients fitted with contact lenses (CLs) and identify factors associated with retention and dropout.
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              Dry eye symptoms and signs in long-term contact lens wearers.

              The aim of this study is to analyze the relationship between the self-reported symptoms and objective signs of dry eye disease in long-term rigid gas-permeable (RGP) or soft contact lens (SCL) wearers. The study included 32 eyes of Caucasian RGP and SCL wearers between the age of 21 and 42 who wore contact lenses continuously on a daily basis for more than 2 years. Symptoms were assessed according to the Ocular Surface Disease Index (OSDI). Clinical assessments included corneal fluorescein staining according to the National Eye Institute (NEI) staining grid, tear film break-up time (TBUT) and Schirmer II test. There were more male (62.5%) than female (37.5%) patients with a higher proportion of RGP wearers among males (40% vs. 17%) in the study. The mean duration of daily lens wear was 10.6 +/- 5.37 hours, with a significantly higher proportion of patients who wore their lenses for prolonged hours in the soft contact lens group (p < 0.05). There was a trend towards a higher proportion of self reported mild and moderate dry eye in females and soft contact lens wearers. No RGP wearer in this study had a NEI corneal staining grid score higher than 2. A moderate negative correlation was found between daily lens wear duration and TBUT (Pearson's coefficient, r = -0.47) as well as Schirmer II values and higher OSDI score, i.e. mild and moderate dry eye categories (r = -0.50). A strong positive correlation was found between and TBUT and Schirmer II values (r = 0.74). The results of the study emphasize the importance of early and accurate diagnosis of dry eye disease for successful long term RGP and SCL contact lens wear which will hopefully motivate future larger scale investigations on dry eye related problems in contact lens wearers.
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                Author and article information

                Journal
                Open Access Maced J Med Sci
                Open Access Maced J Med Sci
                Open Access Macedonian Journal of Medical Sciences
                Republic of Macedonia (ID Design 2012/DOOEL Skopje )
                1857-9655
                20 May 2018
                18 May 2018
                : 6
                : 5
                : 829-834
                Affiliations
                [1 ] Department of Ophthalmology, Medical Faculty of University of Sumatera Utara, Medan, Indonesia
                [2 ] Medical Faculty of University of Sumatera Utara, Medan, Indonesia
                Author notes
                [* ] Correspondence: Rodiah Rahmawaty Lubis. Department of Ophthalmology, Medical Faculty of University of Sumatera Utara, Indonesia. E-mail: rahma.lubis@ 123456yahoo.com
                Article
                OAMJMS-6-829
                10.3889/oamjms.2018.215
                5985870
                29875854
                83b8e0d8-ad3f-4543-8d26-8ff5664a7ecc
                Copyright: © 2018 Rodiah Rahmawaty Lubis, Monica Tumiar Hanna Gultom.

                This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

                History
                : 24 February 2018
                : 23 April 2018
                : 29 April 2018
                Categories
                Clinical Science

                dry eye syndrome,softlens,daily lens wear duration
                dry eye syndrome, softlens, daily lens wear duration

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