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Recent Advances in Ophthalmology ; (6): 357-360, 2018.
Artigo em Chinês | WPRIM | ID: wpr-699620

RESUMO

Objective To analyze the characteristics of central macular retinal microvascular network morphology of retinopathy of prematurity (ROP) with optical coherence tomography angiography(OCTA).Methods The 7-15 years old ROP children with laser treatment history(ROP group,25 eyes of 14 patients) and full-term children(control group,40 eyes of 20 patients) were collected by cross-sectional study.The subjects in the two groups were examined by RTVue XR Avanti-OCTA,and several parameters including the detection of the best corrected visual acuity (BCVA),central foveal thickness (CFT),foveal avascular zone (FAZ),macular superficial retinal capillary plexus (SCP) density were recorded and analyzed statistically with t test in the two groups.Results The area of FAZ in ROP group was (0.04 ± 0.05) mm2,which was significantly less than that in control group [(0.29 ± 0.08) mm2] (P < 0.001).The SCP density of ROP group was 42.70% ± 5.90%,which was significantly higher than that in the control group (35.90% ± 6.30%) (P < 0.001).The CFT in ROP group was (328.50 ± 34.90) μm,which was significantly higher than that in the control group [(236.80 ± 23.40)μm] (P < 0.001).The BCVA was 0.83 ± 0.14 in ROP group and 0.85 ±0.26 in the control group,respectively,without significant difference (P > 0.05).Conclusion ROP children have smaller or undefined FAZ,the thickened CFT and the increased SCP density,and the BCVA is not affected by the FAZ area and CFT in this study.

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