Provided is a combination of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) formulated for use in the treatment and/or prophylaxis of a condition selected from macular oedema, conditions causing damage to retinal photoreceptors and/or retinal pigment epithelial cells, and dry eyes in a mammal, wherein the combined dosage of EPA and DHA is from 5 mmol to 25 mmol per day, and wherein the molar ratio of EPA to DHA is in the range of from 1:1 to 5: 1.
