Aim: To compare the long-term outcome of photodynamic therapy (PDT) to that of intravitreal bevacizumab (IVB) for myopic choroidal neovascularizations (mCNVs).
Methods: Twenty-four eyes were selected from 40 consecutive patients with mCNV, and the patients were divided into Group A consisting of 12 eyes treated by PDT and Group B consisting of 12 eyes treated by 1.25 mg IVB. The age and best-corrected visual acuity (BCVA) were matched between the two groups. The BCVA, size of the chorioretinal atrophy surrounding the CNV (CRA), central foveal thickness (CFT), and CNV thickness were determined before and at 12 and 24 months after the treatment.
Results: The BCVA did not change after PDT, but was significantly improved from 0.75± 0.25 to 0.49 ± 0.42 logMAR units at 12 months and to 0.50± 0.38 logMAR units at 24 months after IVB. The CFT were significantly reduced in both groups at 12 and 24 months. The CRAs were larger in group A than in group B at 12 and 24 months, and their sizes were correlated with the BCVA.
Conclusion: At 24 months, IVB is more effective than PDT in treating mCNV. The enlargement of the CRA might be related to the incomplete visual recovery after PDT.
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