Glaucoma is a frequent cause of blindness in both humans and pets and results from a blockage of the outflow of aqueous humor.  Read more about Glaucoma


The lens of the eye and the cornea function to direct light to the retina, which is the sensitive nerve tissue layer located in the back of the eye. In a healthy eye, the lens is transparent or clear. A cataract is an opacity or cloudiness of the lens that causes light to scatter, interfering with the way light reaches the retina. Cataracts are a common, but not exclusive, cause of vision loss. Read more about Cataracts