Methods and compositions for treating, reducing, or preventing deterioration of at least one component of the visual system of an animal are disclosed. The methods comprise administering to the animal a composition comprising UFA and NORC in an amount effective to treat, reduce, or prevent deterioration of at least one component of the visual system. Methods extending the prime years of an animal's life, improving the quality of life, and promoting health and wellness of an animal using compositions comprising UFA and NORC are also disclosed.
