This invention relates to a composition comprising oligoproanthocyanidins (OPC) and omega-3 fatty acids, for use in preventing or stabilizing the development and/or the progression of a diabetes-related eye condition in a subject; this invention includes a functional food, a nutraceutical composition or a food or dietary supplement comprising said composition; this invention also relates to a pharmaceutical composition or a veterinarian product comprising oligoproanthocyanidins (OPC) and omega-3 fatty acids.