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AIM: To compare the efficacy of different dosing regimens of conbercept in the treatment of pathological myopic choroidal neovascularization(CNV).METHODS: Prospective clinical study. Totally 42 patients(42 eyes)who were diagnosed with pathological myopic CNV in our hospital from January 2019 to January 2022 were selected in the study. According to two different initial dosing regimens, the patients were divided into 1+pro re nata(PRN)group, with 20 patients(20 eyes), and 3+PRN group with 22 patients(22 eyes). The patients in the 1+PRN group were given one intravitreal injection and then given PRN, the patients in the 3+PRN group were given intravitreal injection once a month for 3 mo and then given PRN. Followed-up for 12 mo after initial treatment, the best corrected visual acuity(BCVA), central macular thickness(CMT), CNV area and injection times were compared between the two groups.RESULTS: The BCVA was improved, CMT was decreased, and CNV area was reduced at 1, 3, 6, and 12 mo after the initial treatment(P0.05). The average injection in the 1+PRN group was significantly less than that of the 3+PRN group [2(1, 3)times vs 3(3, 4)times, P |
