The Mystery of the Dog's Third Eyelid: What Every Pet Owner Needs to Know
Dog Third Eyelid: What You Need to Know Understanding the Third Eyelid in Dogs Many dog owners may not be aware that dogs have a third eyelid, also known as the nictitating membrane. This thin layer of tissue is located in the inner corner of the eye and serves to protect and lubricate the eye. Function of the Third Eyelid The third eyelid in dogs plays a crucial role in protecting the eye from debris, dust, and other foreign particles. It also helps in distributing tears and keeping the eye moist. In some cases, the third eyelid may become more visible when a dog is sick or experiencing eye issues. Common Issues with the Third Eyelid One common issue that can affect the third eyelid in dogs is cherry eye, which occurs when the gland in the third eyelid pops out of place. This condition can cause irritation and discomfort for the dog and may require surgical intervention to correct. Signs of Third Eyelid Problems If you notice any changes in your dog's third eyelid, such as rednes...