Purpose: To report the long-term changes of the size of myopic choroidal neovascularization (mCNV) using optical coherence tomography angiography (OCTA).
Methods: This was a retrospective, observational case study of eleven eyes in eleven patients with mCNV followed with OCTA for a minimum of 3 years. The flow area of mCNV on OCTA, the size of chorioretinal atrophy (CRA) and central choroidal thickness were analyzed. The relationship between the changes of mCNV size and recurrences treated with anti-vascular endothelial growth factor (VEGF) agents was also assessed.
Results: Three eyes out of eleven eyes showed enlargement of the mCNV over 3 years. In two of the three eyes, the mCNV recurrences had not been treated immediately (the examination intervals were 4 months and 5 months, respectively), and we found obvious enlargement of the mCNV. In three eyes, the mCNV size decreased in 1 year and was stable thereafter without recurrences. In five eyes, mCNV size did not show remarkable changes for 3 years. In three of the five eyes, no recurrences were detected and two of the five eyes underwent prompt treatments against recurrences.
Conclusion: Regular examination and prompt treatments against recurrences are critical to prevent enlargement of mCNV.
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