Abstract: The invention relates to a nutraceutical formulation of blueberry extract, fish oil (omega-3 and omega-6), recombinant human lactoferrin, vitamin A and vitamin E, for human oral consumption. The invention belongs to the field of ophthalmology and has been developed as a coadjuvant for preserving the health of the precorneal film and of the eye surface. This formulation contains an extract of natural origin (Vaccinium myrtillus L) with antioxidant and anti-inflammatory properties; it also uses eicosapentaenoic acid (EPA), omega-6, and docosahexaenoic acid (DHA), omega-3, obtained from fish oil and which, together with lactoferrin, vitamin A and vitamin E, improves tear quality, since these compounds have anti-microbial and anti-inflammatory effects. This formulation has been designed as a coadjuvant for preserving the health of the precorneal film.