Comparison of Methods Used to Prevent Fogging of a Non-contact Wide-field Viewing System during Vitrectomy

IF 0.1 Q4 OPHTHALMOLOGY
Myungho Seo, Ahnul Ha, Hye Jin Lee, Jinho Jeong, Ki Tae Nam
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Abstract

Purpose: To compare the effectiveness of warm saline and anti-fog solution for preventing fogging of a non-contact wide-field viewing system during vitrectomy.Methods: Five liters of water at 36°C were placed in a transparent container. The fogging areas of wide-field lenses were microscopically measured. We created three groups: lenses soaked in normal saline at 25°C for 1 minute (control), lenses soaked in normal saline at 50°C for 1 minute (warm saline), and lenses that were wiped with a sponge soaked in anti-fog solution (ULTRASTOP pro med. Solution, Sigmapharm, Vienna, Austria) after prior soaking in normal saline at 25°C for 1 minute (anti-fog). Images of fogged areas were acquired at 10 seconds and 1, 3, and 5 minutes. Extent of fogged areas and central lens invasion were determined. All experiments were repeated 10 times.Results: In the control group, the entire areas were always completely fogged. The average fog coverage values were 4.34 ± 1.28, 6.30 ± 1.38, 56.00 ± 25.01, and 93.81 ± 5.88% at 10 seconds and 1, 3, and 5 minutes in the warm saline group and 4.74 ± 0.57, 7.35 ± 0.96, 10.13 ± 1.09, and 11.74 ± 1.74% in the anti-fog group, respectively. There were significant differences at 3 and 5 minutes (p = 0.029, p = 0.012). Fogging of the central lens was detected in 8 tests after 3 minutes and all 10 tests after 5 minutes in the warm saline group, but no fogging was detected in the anti-fog group.Conclusions: Application of an anti-fog solution to a wide-field viewing lens prevents lens fogging during vitrectomy.
玻璃体切除术中防止非接触式宽视场观察系统起雾的方法比较
目的:比较温生理盐水和防雾液在玻璃体切割非接触式大视场观察系统中防止起雾的效果。方法:取5升36℃的水,置于透明容器中。显微镜下测量了广角透镜的起雾面积。我们创建了三组:镜片在25°C的生理盐水中浸泡1分钟(对照组),镜片在50°C的生理盐水中浸泡1分钟(温盐水),镜片在25°C的生理盐水中浸泡1分钟(防雾)后,用浸泡在防雾溶液(ULTRASTOP pro . solution, Sigmapharm, Vienna, Austria)中的海绵擦拭。分别在10秒、1分钟、3分钟和5分钟获取雾区图像。测定了模糊区和中央晶状体浸润的程度。所有实验重复10次。结果:对照组全区均为完全雾化。温生理盐水组在10秒、1、3、5分钟的平均雾覆盖率分别为4.34±1.28、6.30±1.38、56.00±25.01、93.81±5.88%,防雾组为4.74±0.57、7.35±0.96、10.13±1.09、11.74±1.74%。3分钟和5分钟有显著性差异(p = 0.029, p = 0.012)。温盐水组3分钟后8次、5分钟后10次均见中心晶状体起雾,防雾组未见中心晶状体起雾。结论:应用防雾液于大视场视晶状体可防止玻璃体切除术时晶状体起雾。
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来源期刊
CiteScore
0.20
自引率
0.00%
发文量
126
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