研究目的
To compare the differences and to assess the correlations regarding to foveal microvasculature, refractive errors and optical biometry in children with history of type 1 retinopathy of prematurity (ROP) treated with either laser photocoagulation or intravitreal injection of antivascular endothelial growth factors (anti-VEGF).
研究成果
In school-aged children with history of type 1 ROP, despite similar visual acuity outcome, those who underwent anti-VEGF injection had favourable developmental outcomes compared with laser photocoagulation. Significant correlations exist between fovea microvasculature and optical biometric components.
研究不足
The study had a relatively small patient population. Eyes with poor image quality and poor cooperative behavior during the examination were excluded, which may introduce a selection bias. Environmental factors leading to refractive errors may affect the data analysis since the study was performed on school-aged children.
1:Experimental Design and Method Selection:
A retrospective and comparative case series was conducted to compare the differences in foveal microvasculature, refractive errors, and optical biometry in children with a history of type 1 ROP treated with either laser photocoagulation or intravitreal injection of anti-VEGF.
2:Sample Selection and Data Sources:
Included children with previous type 1 ROP diagnosed at Changhua Christian Hospital who received either laser photocoagulation or IVI of anti-VEGF agents as the primary treatment from January 2010 to December
3:List of Experimental Equipment and Materials:
20 Measurements were taken using an automatic keratorefractometer (KR-8800; Topcon, Tokyo, Japan), Lenstar LS 900 with Eyesuite Biometry V.
4:2 software (Haag-Streit AG, Koeniz, Switzerland), and the Avanti RTVue XR system (Optovue, Fremont, California, USA). Experimental Procedures and Operational Workflow:
Comprehensive examinations included best-corrected visual acuity (BCVA) using the Snellen chart, slit-lamp biomicroscopy, indirect ophthalmoscopy, cycloplegic refractions, and optical biometric profiles. SD-OCT and OCT-A images were obtained for each patient from both eyes.
5:Data Analysis Methods:
Statistical analyses were performed using SPSS V.23.0. Differences in characteristics between the two treatment groups were compared using generalized estimating equations (GEE).
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