A wide variety of conditions can precipitate sudden blindness in a cat, including a burst of bleeding into the eye’s interior or a traumatic blow to the head., There are many causes of sudden blindness in cats, but only a few that are common. Let’s walk through the top five causes of sudden blindness in cats, how it is diagnosed, and treatments. 1. Hypertension (High Blood Pressure), Fortunately, cats adapt very easily and compensate by developing the sense of smell and touch. Hereditary blindness is more common in purebred cats. The following AnimalWised article describes the most common problems that cause blindness in cats and how these problems are diagnosed and treated., In this article, we will explore the five most common causes of blindness in cats, along with seven interesting trends related to the topic. One of the leading causes of blindness in cats is cataracts., But it can be very worrisome for cat owners to have their cat suddenly go blind, and there are some potential causes we will discuss in this article. 1. Glaucoma. Feline glaucoma can affect any breed of cats and comes in two forms, primary and secondary glaucoma. It is a group of disorders that affect the retina and optic nerve in your cat’s eye., Several conditions can cause blindness in cats, ranging from an injury to the eye, to an untreated eye infection, or an underlying condition. Sight loss can also be gradual or sudden, which may affect how well your cat adjusts. Any changes to your cat’s eyes or vision should be checked by a vet..