Infrared Video Imaging for the Identification and Quantification of Macula-Involving Symptomatic Vitreous Opacities.

IF 0.5 Q4 OPHTHALMOLOGY Journal of VitreoRetinal Diseases Pub Date : 2025-01-09 DOI:10.1177/24741264241310219
Shawn C Kavoussi
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Abstract

Purpose: To evaluate whether infrared video imaging can supplement traditional examination and imaging methods to identify and quantify symptomatic vitreous opacities. Methods: A prospective nonrandomized nonmasked series was performed that included eyes of consecutive patients with a primary complaint of symptomatic vitreous opacities. A macular vitreous opacity score (0-4) was developed to grade the size of the opacities in relation to the macula after refixation of up, down, left, and right saccades. Grade 0 indicated an absence of opacities. Grades 1 to 4 represented how many quadrants of the macula were obscured by opacities for more than 50% of the total video capture time (grade 1 = 1%-25%; grade 2 = 26%-50%, grade 3 = 51%-75%; grade 4 = 76%-100%). Grade 2 opacities were divided into subcategories 2A and 2B depending on whether they were central enough to obscure the fovea for more than 50% of the time. Results: The study comprised 52 eyes of 40 patients. Thirty-two eyes (62%) with symptomatic vitreous opacities were grade 1, 6 (11%) were grade 2A, 6 (11%) were grade 2B, 5 (10%) were grade 3, and 3 (6%) were grade 4. Conclusions: Infrared video imaging is a useful supplement to traditional examination and imaging methods for the identification and quantification of symptomatic vitreous opacities. The macular vitreous opacity score can help standardize vitreous opacity documentation in the clinical setting for future case selection.

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红外视频成像对黄斑累及症状性玻璃体混浊的识别和定量。
目的:评价红外视频成像是否可以补充传统的检查和成像方法来识别和量化症状性玻璃体混浊。方法:前瞻性非随机非蒙面系列研究,包括以症状性玻璃体混浊为主诉的连续患者的眼睛。采用黄斑玻璃体混浊评分(0-4分)对上、下、左、右眼跳再固定后的混浊相对于黄斑的大小进行分级。0级表示没有混浊。等级1 - 4表示有多少象限的黄斑被不透明遮挡超过50%的总视频捕获时间(等级1 = 1%-25%;2级= 26%-50%,3级= 51%-75%;4级= 76%-100%)。2级混浊分为2A和2B亚类,取决于它们是否足够中央以遮蔽中央凹超过50%的时间。结果:共纳入40例患者的52只眼。有症状的玻璃体混浊1级32只(62%),2A级6只(11%),2B级6只(11%),3级5只(10%),4级3只(6%)。结论:红外视频成像是对传统检查和成像方法的有益补充,可用于鉴别和定量症状性玻璃体混浊。黄斑玻璃体混浊评分可以帮助规范临床中玻璃体混浊的记录,为将来的病例选择提供依据。
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CiteScore
1.20
自引率
16.70%
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0
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