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http://dx.doi.org/10.14479/jkoos.2016.21.3.191

The Effect of Artificial Tear Components on Tear Film Stability of Dry Eyes in the Early Stage of Soft Contact Lenses Wear  

Kim, So Ra (Dept. of Optometry, Seoul National University of Science and Technology)
Lim, Jung A (Dept. of Optometry, Seoul National University of Science and Technology)
Jung, Ji Hye (Dept. of Optometry, Seoul National University of Science and Technology)
Byun, Hyun Young (Dept. of Optometry, Seoul National University of Science and Technology)
Park, Mijung (Dept. of Optometry, Seoul National University of Science and Technology)
Publication Information
Journal of Korean Ophthalmic Optics Society / v.21, no.3, 2016 , pp. 191-201 More about this Journal
Abstract
Purpose: In the present study, the effect of artificial tears with different ingredients on tear film stability and subjective symptoms of dry eyes in the early stage of soft contact lenses wear was investigated. Methods: The three kinds of artificial tears and saline solution were respectively applied onto 50 dry eyes which wore soft contact lenses made of etafilcon A. Then, non-invasive tear film break-up time (NIBUT) was measured at every five minutes for 30 minutes right after the instillation of artificial tears, and the changes in blink rate and subjective symptoms were estimated after 30 minutes from the instillations. Results: All three kinds of artificial tears increased NIBUT larger than saline. The effect of increasing NIBUT immediately after the instillation of artificial tears was the largest when the artificial tear containing viscosity enhancer was used. The duration time of the effect was the longest when the artificial tear having both surfactant and viscosity enhancer was applied. The blink rate was not significantly changed when both artificial tears and saline solution were instilled. Subjective symptoms were significantly improved by the instillation of both artificial tears and saline solution and dryness, irritation, tiredness, stiffness, dazzling were improved by the use of most solutions. However, the subjective symptoms were rebounded to the level before the instillation of artificial tears after 30 minute-instillation. Conclusions: It was revealed that both artificial tears and saline solution could improve the subjective symptoms of dry eye in the early stage of soft contac lenses however, the effect of these solutions on the tear film stability was different according to the components. From the results, it is suggested that the proper selection of artificial tears is necessary for the improvement of dry eye symptoms at the early stage of soft contact lenses wear in dry eye.
Keywords
Artificial tear; Dry eyes; Soft contact lens; Non-invasive tear film break-up time; Blink rate; Subjective symptoms;
Citations & Related Records
Times Cited By KSCI : 12  (Citation Analysis)
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