Choroidal neovascularization in children: etiology, clinical characteristics and treatment outcomes.

Purpose: To provide data on the most frequent causes, main characteristics, management, and outcomes of pediatric choroidal neovascularization (CNV) in a major tertiary referral hospital for children, together with a review of the current literature.

Methods: Case series including children diagnosed with CNV between 2008 and 2023. Age, sex, date of diagnosis, CNV etiology, CNV localization, treatment with anti-vascular endothelial growth factor (VEGF), and ophthalmological examination data at diagnosis and after one year of follow-up were recorded.

Results: 42 eyes (31 patients) were included. Best's disease (35.5%) was the most frequent etiology, followed by intraocular inflammation (25.8%). Most neovascular membranes (78.6%) were located within 1 disc diameter of the fovea centre. 78.6% of eyes received anti-VEGF treatment. Mean visual acuity (VA) significantly improved from logMAR 0.57 to 0.31 after one year of follow-up.

Conclusion: CNV in children is a serious condition with severe ophthalmological consequences. Although certain patients may spontaneously improve or maintain good VA without treatment, in many others anti-VEGF treatment may lead to significant visual improvement. VA impairment, signs of exudative CNV on OCT images and the location of CNV seem to be the most important features in the decision to treat or not to treat these patients.