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The feline eyelid is very different from human eyelids. First of all cats do not have cilia, which we know as eyelashes, though they do have a thin layer of lashes that are somewhat like eyelashes, simply because they are different from any other kind of hair. The cat's eyelids are also more tightly fit against the cornea than humans.
The conjunctiva is a thin membrane that covers the eyeball. The conjunctiva and eyelid touch. Felines have less of a conjunctival sac than humans. Because the eyelid is so close to the conjunctiva it can be subject to several kinds of infections such as conjunctivitis (reddening of the eye). Persian and Himalayan cats suffer from various glandular cysts in the eyelids. [...]
Several conditions can lead to your cat having eye drainage. The cat will secrete anything from thin and watery, to thick and postulant, and from clear in color to yellowish or greenish. These conditions are caused by inflammation, infections, such as the flu and evasion of viruses. Sometimes it is caused by an inherited gene or a malfunction of the tear glands that cause eye drainage.
The most common condition for the drainage of the eye is called runny eye. Certain breeds of cats are more prone to leaky eyes than others.
[-]Runny eyes can be caused by the over production of tears. Tears are produced normally to keep the lining of the eye moist. The tears then flow into the tear ducts making their way into the nose. But if there is a problem, the tears will spill onto the face and that is how we determine a cat has runny eyes. [...]
It is very common for a veterinarian to see cats coming into her office with red eyes. Red eye may or may not be painful, but cat owners often observe that their cat has been pawing at his eye or face.
Often time there is redness and swelling in the inner eyelid known as the conjunctiva, when this condition occurs it is called chemosis. The cause of chemosis or simply conjunctiva is due to an irritation, a foreign substance that has made its way into the inner eyelid and lodged there. It could be dust or a piece of hair. Any foreign substance would make the eye irritated and inflamed. Occasionally the ulcers can penetrate into deeper areas of the cornea and then your cat is at risk for the ruptures in the eye and causing complete eyesight. [...]
Overall the Tibetan Terrier is a healthy dog with few health problems associated with their stock. Yet, there are a few that need to be monitored for including their eye problems. The dogs can develop cataracts and in fact these are sometimes common in the dogs as they age. The cataracts that they have are often the same as you would see in a human cataract situation. Yet, for dogs that can not tell you what is wrong, it is up to the owner to pay close attention to these dogs and the quality of eyesight that they have. There are also several other types of eye conditions that can affect your Tibetan Terrier and that you can monitor them for. [...]
One of the most frightening things for a dog owner to deal with is an eye injury or head injury to their dog that has affected the eye area. This is a very sensitive area for the dog and is easily hurt and irritated, just like for a human. Understanding how to assess the problem and provide some basic first aid until the dog can be seen by a vet is critical in both staying calm and hopefully protecting as much of the dog's vision as possible.
Many eye injuries are caused by irritations in the eye that are either from the dog's hair or eyelashes or from foreign materials getting into the eye itself. These foreign objects can be pieces of grass or vegetation or even more serious issues such as glass, metal shards, splinters or virtually any other type of object or debris. When dealing with eye injuries it is important to be able to assess the injury and take appropriate first aid measures as quickly as possible. [...]
Progressive Retinal Atrophy or PRA is the leading cause of blindness in adult dogs of almost every breed and size. It is a genetic condition from which there is no cure either through surgical procedures or drug therapies. As with any type of genetic disease the only true way to suppress the condition is to immediately spay or neuter any dog, mixed or purebred, that exhibits any sign of PRA. It is linked to a recessive gene that means that both the male and female must have the condition for the puppies to display PRA, but they can pass the genetic component onto their offspring, which then may breed with another recessive dog, resulting in a litter with PRA. There are some deviations to this rule as in Bullmastiffs and Old English Mastiffs the condition is a dominant gene and in breeds such as Samoyeds and Siberian Huskies the gene is sex-linked and is only found in males. [...]
The setters, as a dog type, are some of the showiest of the sporting breeds if not of all the breeds. The Irish Setter is one of the most recognizable and beautiful dogs with its distinctive red coat, fringed tail and beautiful calm and friendly expression. The Irish Setter is a very popular family dog and is typically a fairly long lived dog with an average lifespan of 12 to 15 years. Some Irish Setters may live longer and they remain a very active breed well into their senior years. [...]
With the exception of the American Cocker Spaniel, most of the spaniel breeds have been able to avoid the huge surge in popularity that often leads to health and genetic issues within a particular breed or line. Unfortunately for the American Cocker Spaniel they have been a very popular breed, leading to a significant number of puppies produced every year by backyard breeders and puppy mills that are only into breeding for a profit, not for the enhancement or overall health of the puppies that they produce. This massive number of poorly bred American Cockers has caused some increased health issues within the breed, so choosing a puppy from a reputable breeder is essential. [...]