Background The use of Spectral domain optical coherence tomography (SD-OCT) to evaluate the predictors of visual acuity-recovery in patients treated with conbercept for macular edema (ME) secondary to central retinal vein occlusion (CRVO) has rarely been seen. We collected 26 CRVO-ME patients with different OCT measures at 6 months follow-up to identify the factors that are most strongly correlated with the best-corrected visual acuity (BCVA) post-treatment in CRVO-ME patients treated with conbercept. Purpose To evaluate the effectiveness of intravitreal conbercept injections for the treatment of CRVO-ME and to determine the major predictors of best-corrected visual acuity (BCVA) post-treatment. Methods A retrospective study methodology was used. Twenty-six eyes from 26 patients with CRVO-ME were enrolled in the study. After an initial intravitreal injection of conbercept (0.5 mg/0.05 ml), monthly injections for up to 6 months were given following a 1 + PRN (pro re nata) regimen. Data collected at monthly intervals included measurements of the logMAR BCVA, central subfield thickness (CST), macular volume (MV), photoreceptor layer thickness (PLT), outer nuclear layer thickness (ONLT), and the disrupted ellipsoid zone (DEZ). The correlation between BCVA, before and after injections, and each of CST, MV, PLT, ONLT, DEZ was analyzed. Results The logMAR BCVA in months 3 and 6 post-injection was significantly improved relative to the baseline. In this same period the CST, MV, PLT, ONLT and DEZ were also significantly improved relative to the baseline. There was a negative correlation between PLT and logMAR BCVA at months 3 and 6 after treatment (r = − 0.549, P < 0.001; r = − 0.087, P < 0.001). Conclusion Intravitreal injection of conbercept is an effective treatment for CRVO-ME. With 6 months of follow-up, logMAR BCVA and CST, MV, PLT, ONLT, DEZ improved. PLT was negatively correlated with the visual function in CRVO-ME patients after conbercept treatment, which may be a predictor of vision recovery in patients with CRVO-ME.
Background The use of Spectral domain optical coherence tomography (SD-OCT) to evaluate the predictors of visual acuity-recovery in patients treated with conbercept for macular edema (ME) secondary to central retinal vein occlusion (CRVO) has rarely been seen.We collected 24 CRVO-ME patients with different OCT measures at 6 months follow-up to identify the factors that are most strongly correlated with the best-corrected visual acuity (BCVA) post-treatment in CRVO-ME patients treated with conbercept Purpose To evaluate the effectiveness of intravitreal conbercept injections for the treatment of CRVO-ME and to determine the major predictors of best-corrected visual acuity (BCVA) post-treatment. Methods A retrospective study methodology was used. Twenty-four eyes from 24 patients with CRVO-ME were enrolled in the study. After an initial intravitreal injection of conbercept (0.5 mg/0.05 ml), monthly injections for up to 6 months were given following a 1 + PRN (pro re nata) regimen. Data collected at monthly intervals included measurements of the logMAR BCVA, central subfield thickness (CST), macular volume (MV), photoreceptor layer thickness (PLT), outer nuclear layer thickness (ONLT), and the disrupted ellipsoid zone (DEZ). The correlation between BCVA, before and after injections, and each of CST, MV, PLT, ONLT, DEZ was analyzed. Results The logMAR BCVA in months 3 and 6 post-injection was significantly improved relative to the baseline. In this same period the CST, MV, PLT, ONLT and DEZ were also significantly improved relative to the baseline. There was a negative correlation between PLT and logMAR BCVA at months 3 and 6 (r = -0.549, P < 0.001; r = -0.087, P < 0.001). Conclusion Intravitreal injection of conbercept is an effective treatment for CRVO-ME. With six months of follow-up, logMAR BCVA and CST, MV, PLT, ONLT, DEZ improved. PLT was negatively correlated with the visual function in CRVO-ME patients after conbercept treatment, which may be a predictor of vision recovery in patients with CRVO-ME.
Aims:To evaluate the effect of tropicamide phenylephrine(TP) eyedrops on the retinal and choroidal vascular density and choroidal thickness. Methods: A prospective clinical study was used. 72 myopic children and adolescents aged 4-14 years old were given TP eyedrops to dilate the pupil, and all participants were given relevant ophthalmological examination before and after pupil dilation. OCTA is used to scan the macular 3*3mm area with layered lines. Image J software was used to measure the retinal and choroidal vascular density at each layer and OCT enhanced depth imaging mode was performed for the subfoveal choroidal thickness assessment. Results: Following instillation of the TP eyedrops, the superficial retinal vascular density was decreased (from28.67±4.11 to 26.47±6.47, p<0.001) significantly, the choroidal vascular density increased (from37.04±6.83 to 37.81±6.20,p<0.001) in the macular area, and the choroidal thickness of subfoveal increased (from 243.94±65.10 to 248.59±69.11,p<0.001). Through multivariate analysis, age was the main factor that affects the superficial retinal and choroidal vascular density and choroidal thickness. Conclusion: TP eyedrops can significantly reduce the superficial retinal vascular density and increase the choroidal vascular density and choroidal thickness in children. Age is the main factor that affects the superficial retinal and choroidal vascular density and choroidal thickness.
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