12/9/2023 0 Comments Irregular pupil shape dog![]() ![]() An eye with uveitis may appear red and cloudy, and the iris may change color or appear fluffy and swollen. High eye pressures damage the optic nerve and may lead to blindness in hours or days. ![]() Uveitis, which describes inflammation in the interior, front eye structures, can cause tissues in the eye to stick together, resulting in an abnormal pupil shape, or they can block fluid drainage and lead to pressure buildup (i.e., glaucoma). Saliva contains calcium and other minerals that can deposit onto the eyes, so this solution isn’t perfect. If medications are not effective, surgery that reroutes saliva onto the eyes can provide some relief. Dogs will need lifelong medical treatment, which only manages the condition, and does not provide a permanent cure. Most cases respond well to topical medications (i.e., typically, tacrolimus or cyclosporine) that stimulate tear production. Left untreated, these inflammatory changes lead to scarring that can permanently blur the pet’s vision. Pets with dry eye experience increased thick, goopy discharge, and red, cloudy, or pigmented color changes from chronic surface inflammation. Tears carry nutrients, protect the eye surface, and determine the balance of bad and good bacteria. #2: Keratoconjunctivitis sicca in dogsĭogs with keratoconjunctivitis (KCS), which is the medical term for dry eye, cannot make enough tears to lubricate their eye surface, or their tear film evaporates too quickly. Specialized grafting surgery, which fills in the deep divot with donor cornea or the pet’s own tissues, can prevent eye rupture and save vision for many pets. Deeper ulcers are more serious, and require prompt, aggressive medical treatment to prevent vision or eye loss. If the ulcer becomes infected, bacteria can penetrate deeper into the corneal layers and create a divot or rupture the eye completely. Most superficial ulcers heal in a few days when treated with antibiotic eye drops to prevent infection. Dogs with a corneal ulcer usually have a red, squinty, watery eye. Corneal ulcers can be caused by injury, underlying eye disorders, and normal or abnormal hairs rubbing on the eye, or may be spontaneous and age-related. The cornea has several layers, and a superficial corneal ulcer occurs when the top layer is abraded or eroded away, leaving a shallow surface wound. The cornea is the clear “window” covering the iris and pupil. Here are the top five eye redness causes that require specialist examination and treatment. Severe redness in one or both eyes, redness that persists despite treatment, or redness accompanied by squinting and pain may have a more sinister cause and should be evaluated by our Envision More Veterinary Ophthalmology team. Inflammation of the pinkish tissues lining your dog’s eyelids and sclera (i.e., conjunctivitis) commonly causes mild redness and discharge in young or allergic dogs, and can usually be diagnosed and managed by your primary veterinarian. Occasional eye redness in dogs is often nothing to worry about, and may be caused by household irritants, a mild allergy, or breed-specific appearance (i.e., droopy lower lids in Basset hounds). ![]()
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