A veterinary ophthalmologist wished to find out elements, together with age and imaginative and prescient, that affect a canine’s curiosity in interacting with video content material. In the end, the purpose of the examine, which launched two years in the past, was to assist improvement of extra delicate methods to evaluate canine imaginative and prescient — one thing that has been sorely missing in veterinary medication. The examine discovered that canines are most engaged when watching movies that characteristic different animals.