| Comparison of Intraocular Straylight in Patients with Clear and Photochromic Intraocular Lenses. |
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In Hyuk Kim, Hyung Bin Hwang, Seung Joo Shin, Sung Kun Chung |
1Department of Ophthalmology, Sahmyook Seoul Hospital, Seoul, Korea.
2Department of Ophthalmology and Visual Science, The Catholic University of Korea College of Medicine, Seoul, Korea. eyedoc@catholic.ac.kr |
| 무색 인공수정체렌즈안과 광변색 인공수정체안에서의 수술 전후 스트레이라이트의 비교 |
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김인혁1⋅황형빈2⋅신승주1⋅정성근2 |
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Department of Ophthalmology, Sahmyook Seoul Hospital1, Seoul, Korea Department of Ophthalmology and Visual Science, The Catholic University of Korea College of Medicine2, Seoul, Korea |
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| Abstract |
PURPOSE
To compare visual acuity and intraocular straylight after implantation of clear and photochromic intraocular lenses (IOLs) in a mesopic lighting condition. METHODS: Clear IOLs were implanted in 95 eyes of 72 patients (clear IOL group), and photochromic IOLs were implanted in 22 eyes of 16 patients (photochromic IOL group). Best-corrected visual acuity (BCVA) was measured indoors before surgery and 1 month after surgery. Straylight values were measured indoors before surgery and 1 and 2 months after surgery using the C-quant straylight meter (Oculus GmbH, Wetzlar, Germany). RESULTS: There were no significant differences between the 2 groups in BCVA at 1 month postoperatively (p = 0.587). Mean straylight values of clear and photochromic IOL groups were 2.76 +/- 1.89 log (s) and 2.88 +/- 2.04 log (s) preoperatively, 1.39 +/- 0.84 log (s) and 1.32 +/- 0.26 log (s) at 1 month postoperatively, and 1.43 +/- 0.92 log (s) and 1.45 +/- 0.50 log (s) at 2 months postoperatively. There were no significant differences between the 2 groups in indoor straylight values (p = 0.778, 0.709, 0.929, before surgery, 1 and 2 months after surgery respectively). Repeated-measure analysis of straylight values also showed no significant difference between the 2 groups (p > 0.05). CONCLUSIONS: There were no significant differences in BCVA and straylight values between clear and photochromic IOL groups under a mesopic light condition. Therefore, photochromic IOL could be suitable choice for cataract patients who spend significant time under mesopic conditions. |
| Key Words:
Blue light;C-quant;Mesopic;Photochromic intraocular lens;Straylight |
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