{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,16]],"date-time":"2026-06-16T21:39:29Z","timestamp":1781645969873,"version":"3.54.5"},"reference-count":27,"publisher":"BMJ","issue":"3","funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82070970"],"award-info":[{"award-number":["82070970"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["Br J Ophthalmol"],"accepted":{"date-parts":[[2022,12,31]]},"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:sec><jats:title>Aims<\/jats:title><jats:p>To investigate the incidence of macular neovascularisation (MNV) subtypes of neovascular age-related macular degeneration (nAMD) and summarise these subtypes\u2019 clinical features in the Chinese population using multimodal imaging.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively analysed 506 consecutive treatment-na\u00efve nAMD patients (582 eyes). Incidence of MNV subtypes and clinical features were recorded based on their multimodal images. The classification of MNV subtypes in nAMD patients were referred to Consensus on Neovascular Age-related Macular Degeneration Nonmenclature (CONAN) study group classifications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>460 eyes of 389 nAMD patients were included in our study. 68.5% (315\/460) of nAMD eyes were from male. According to CONAN, we identified type 1 macular neovascularisation (MNV) in 61.1% of eyes (281\/460), type 2 MNV in 16.3% of eyes (75\/460), type 3 MNV in 2.0% of eyes (9\/460), mixed type 1 and type 2 MNV in 20.6% of eyes (95\/460). 58% of eyes (267\/460) were diagnosed as polypoidal choroidal vasculopathy lesions (PCV). 45.2% of eyes (208\/460) with PCV lesions were type 1 MNV and 12.8% of eyes (59\/460) with PCV lesions were co-occurred with type 2 MNV.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Based on the consensus anatomical classification system developed by the CONAN Study Group, we updated the incidence of MNV subtypes and found that PCV was the most common subtype and type 3 MNV was the least common subtype among Chinese nAMD patients. In addition, the co-occurrence of PCV and type 2 MNV was typically observed, and its frequency was reported in our study.<\/jats:p><\/jats:sec>","DOI":"10.1136\/bjo-2022-322392","type":"journal-article","created":{"date-parts":[[2023,1,13]],"date-time":"2023-01-13T18:20:13Z","timestamp":1673634013000},"page":"391-397","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":9,"title":["Incidence and multimodal imaging characteristics of macular neovascularisation subtypes in Chinese neovascular age-related macular degeneration 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