Moreover, all the BMP-9-containing groups, including OMB (36.9% ± 2.3%), OMBP (66.2% ± 2.9%), and OMBS (36.0% ± 1.7%), showed a wider area of mineralization compared to OM (23.1% ± 3.1%), with p < 0.001. Here, GDF2 is linked to ocular melanoma.