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KMID : 1038920150140020079
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Annals of Optometry and Contact Lens
2015 Volume.14 No. 2 p.79 ~ p.83
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Comparison of Pain after Photorefractive Keratectomy between Two Kinds of Silicone Hydrogel Therapeutic Contact Lenses
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Koh Kyung-Min
Han Sang-Youn
Kwon Young-A
Song Sang-Wroul
Kim Byoung-Yeop
Kim Yong-Ran
Sohn Yong-Ho
Chung Jae-Lim
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Abstract
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Purpose: To compare of the pain after photorefractive keratectomy (PRK) according to two kinds of silicone hydrogel contact lenses.
Methods: 92 eyes of 46 patients who underwent PRK surgery were prospectively investigated. Each patient was randomly assigned senofilcon A in one eye and lotrafilcon B in the other eye. Pain score (0-10) was assessed at postoperative day 0, 1, 2, 3 and 4 using visual analogue scale.
Results: The pain scores (mean ± SD) of senofilcon A and lotrafilcon B were 1.6 ± 1.4, 2.2 ± 1.5 on postoperative day (POD) #0 (p = 0.0029), 2.9 ± 1.5, 3.7 ± 1.5 on POD # 1 (p = 0.009), 2.1 ± 1.2, 2.2 ± 1.4 on POD #2 (p = 0.6208), 0.5 ± 0.7, 0.7 ± 0.8 on POD #3 (p = 0.8375), and 0.1 ± 0.3, 0.1 ± 0.3 on POD #4 (p = 0.1332) respectively.
Conclusions: Senofilcon A contributed to reduce postoperative pain effectively in patients undergoing PRK due to lens design, material and moisture-rich properties.
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KEYWORD
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Eye pain, Hydrophilic contact lens, Lotrafilcon B, Photorefractive keratectomy, Senofilcon A
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