Experienced and professional animal trainer provide their insights in answering this question :
A. Your pet needs to be seen by a vet for a full ophthalmic exam right away. There may be some damage to the eye that needs treatment in order for it to heal properly. Your vet will check pressures in both eyes (for glaucoma) and apply a special dye to check for damage to the cornea. It is important to find out why this is happening so the correct treatment is done as what may work for simple inflammation of the eye can cause more damage if the cornea is damaged.

How to Identify Common Pet Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced pet care professionals :

As with people, a goopy or sticky discharge coming from your cat`s eyes is typically a sign of infection. A clear discharge often indicates a viral infection whereas green or yellow discharge suggests that your cat has a bacterial infection.
Red or bloody dog eye discharge: Bloody discharge is never normal and requires immediate veterinary attention. Causes include injury, extreme inflammation, glaucoma, or a tumor, Dimock says.
The clinical signs of conjunctivitis are discharge from the eyes (cloudy, yellow, or greenish), squinting or excessive blinking, and redness or swelling around the eyes. Conjunctivitis often involves both eyes, but only one eye may be affected in certain conditions.
A subconjunctival hemorrhage often occurs without any obvious harm to your eye. Even a strong sneeze or cough can cause a blood vessel to break in the eye. You don`t need to treat it. A subconjunctival hemorrhage may look alarming, but it`s usually a harmless condition that disappears within two weeks or so.
Signs that Your Cat Needs to See a Veterinarian

Color and/or consistency of the eye discharge changes (i.e., it goes from a clear in color and a liquid consistency to yellowish/green in color and a mucous consistency). Your cat is squinting, blinking excessively, and/or pawing at or rubbing his/her eyes.

Some of the causes of increased tear production in cats include conjunctivitis (viral or bacterial), allergies, eye injuries, abnormal eyelashes (distichia or ectopic cilia), corneal ulcers, eye infections, anatomical abnormalities such as rolled in eyelids (entropion) or rolled out eyelids (ectropion), and glaucoma.
Hold your dog`s eye open with one hand and apply a steady stream of a sterile eyewash solution, available at a pharmacy, or lukewarm water to flush out your dog`s eye. Do not use medicated eye wash. Catch excess solution with a towel or cloth. Clean up the area and wash your hands after handling your dog.
Allergies are by far the most common cause of eye redness in dogs. If your dog`s eye appears red and you see other clinical signs such as sneezing, runny nose, or watery eyes, then allergies are one potential culprit. Some dogs have seasonal allergies, and some have allergies that last all year long.
It`s vital that you see a vet if you suspect your dog has conjunctivitis or other eye problems so they can diagnose the problem and start treatment. You should not wait for it to go away on its own or rely on home remedies. In many cases, your dog`s eye infection will not go away without treatment.
You should talk with a doctor if you think you may have eye bleeding. Most eye bleeding is harmless and caused by a small broken blood vessel in the outer part of the eye. The cause of eye bleeding isn`t always known. Eye bleeding in the pupil and iris, known as hyphema, is rare but may be more serious.
Hyphema is the medical term for bleeding inside your eye. Specifically, hyphema causes blood to pool behind your cornea (the outermost layer of your eye) and your iris (the colored part of your eye). It`s usually caused by something hitting your eye. Sports injuries are the most common cause of hyphema.
Eye bleeds can be harmless, but sometimes, they may indicate an underlying issue. Eye bleeds can cause red blotches within the eye or complete redness across the white of the eye. In some cases, such as hemolacria, blood may appear in the form of tears.
If the examination and testing does not show another cause, then treatment is usually started based on the tentative diagnosis of non-specific infectious conjunctivitis. Most bacterial and viral infections will resolve within 5 to 14 days.
Many simple cases of conjunctivitis resolve in seven to 14 days with veterinary-prescribed treatment, but chronic cases require prolonged treatment (weeks to months). Cat pink eye will not clear up on its own.
The most common causes of hyphema are: Injury, trauma to the eye or head. Severe retinal detachment. Hypertension, hyperthyroidism, systemic deficiencies.
Vetropolycin® is a triple antibiotic ointment often prescribed for cats to treat bacterial infections of the eyelid and conjunctiva.
One popular method is using a warm, damp cloth to gently clean and soothe the eye area. Another option is using a saline solution to flush out any irritants.
If you have any sterile saline eye solution at home, this is ideal. Alternatively, tepid tap water is fine to use. An eye bath is handy to use if you have one, or a sports drinking bottle will provide a steady stream to flush your pet`s eye with. Be careful not to apply too much pressure.
Recovery of Bleeding of the Retina in the Eye in Dogs

Uncomplicated hyphema should be treated and completely healed within 1-3 weeks. With a more serious case, such as one due to tumors, it could take much longer.

The blood may look alarming, especially if the spot is large. If there is no pain or vision change, there is usually no reason to worry, and the blood slowly will go away on its own in 2 to 3 weeks. Follow-up care is a key part of your treatment and safety.
With all the possible causes, there is only one treatment for a burst blood vessel – time! Subconjunctival hemorrhages generally treat themselves, as the conjunctiva slowly absorbs the blood over time. Think of it like a bruise on the eye. Expect a full recovery within two weeks, without any long-term complications.
Rinse your dog`s eye and eye area with simple saline solution, which can be purchased from a veterinarian or pharmacy, or made with a teaspoon of salt water in a cup of warm water. Carefully instill into the corner of your dog`s eye and dip a cotton ball in the solution and wipe away discharge from around the eye.
The primary cause of such a symptom is wind, dust, dirt, and pollen allergies. Mold spores and mites are also responsible. A few dogs could develop several benign tumors on eyelids that rub the eye`s surface. The result is discomfort accompanied by discharge for the dog.
The infection will usually clear up in 7 to 14 days without treatment and without any long-term consequences. However, in some cases, viral conjunctivitis can take 2 to 3 weeks or more to clear up. A doctor can prescribe antiviral medication to treat more serious forms of conjunctivitis.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Q. Weak, discharge from eyes, swelling on right eye, does not want to open eyes. What is wrong?
ANSWER : A. If the discharge from the eye is green or yellow in color, it can indicate a secondary infection. Swollen eyes can be caused by a number of things ranging from allergies to infections, to injury to the eye itself or surrounding areas.

It is best to have your pet’s eye examined by your local vet. They will most likely wish to place a stain in the eye that can check for damage such as cuts or scratches. An ointment can then be given to help reduce inflammation, pain and take care of infection.

Until you can get to the vet, be sure to not let your pet scratch or paw at their eye as this can make things worse. You can also use a warm wet washcloth to gently remove any debris and allow the eye to open some, providing relief. However, if symptoms worsen, or the swelling travels to the face, head or neck, it may indicate a serious allergic reaction which should be treated immediately.

Q. Right eye bleeding and some discharge. Will partly clear, then start again. Has been going on for several weeks.
ANSWER : A. Your pet needs to be seen by a vet for a full ophthalmic exam right away. There may be some damage to the eye that needs treatment in order for it to heal properly. Your vet will check pressures in both eyes (for glaucoma) and apply a special dye to check for damage to the cornea. It is important to find out why this is happening so the correct treatment is done as what may work for simple inflammation of the eye can cause more damage if the cornea is damaged.

Q. My pet is suffering eyes discharge, what should I do?
ANSWER : A. Mucus, yellow-green pus, or a watery eye discharge can all be signs of conjunctivitis, which is inflammation of the lining of your dog’s eye.

There is a wide range of causes for conjunctivitis, from allergies, injury, birth defects, and tear duct problems, to foreign bodies, dry eye syndrome, infections or even tumors.

Other signs of conjunctivitis include excessive blinking or keeping the eye closed, squinting and pawing at the eyes.

Treatment of this condition depends on the underlying cause. In most of the cases cleaning, soothing the eye and applying antibiotics eye drops suffice but is some instances further investigation is required to establish the cause of the excessive eye discharge, and this should be performed by a veterinarian.

Q. One eye is more red than the other. Last night he was pawing at it,today, he isn’t. Should I bring him to the vet?
ANSWER : A. Sounds possible that he had some irritation to the eye that is at least not itchy anymore. You can do either, having it checked now to confirm mild irritation, potentially due to debris or a topical irritant to the eye; or you can flush the eye with sterile saline eye wash (over the counter) using care not to poke or prod the eye and see if the irritation goes away on its own within the next 24 hrs. It has shown improvement already it appears, however if it is not cleared up and your pet seems irritated by it AT ALL, then it should be looked at by a vet and tested for a possible corneal scratch or ulcer. These can cause redness of the eye, eye discharge and pawing at the face. They are usually treated by prescription only topical eye antibiotic ointment and generally do very well after treatment.

Read Full Q/A … : Eye Problems in Cats

Q. My cat has entropion of the eyes. Vet did surgery on both eyes, the right eye seems ok but the left eye is still running/mucus. Can I use Neosporin?
ANSWER : A. Do NOT use Neosporin on cats or dogs as this product can be toxic to pets if ingested. If the eye is still leaking or has green or yellow discharge it is best to contact your veterinarian. Green or yellow discharge can indicate that a secondary infection has formed and may require antibiotics or cat-safe ointments to help clear it up. In the meantime, you can use a warm wet washcloth to remove any excess debris from the eye very gently, allowing the eye to open and help with healing.

Q. I was told by my vet that my dogs cherry eye was caused by something hitting his eye when he was poking around under a bush. I was told surgery needed
ANSWER : A. Prolapsed gland of the eyelid refers to a pink mass protruding from the animal’s eyelid; it is also called a “cherry eye.” Normally, the gland is anchored by an attachment made up of fibrous material. The most common sign of “cherry eye” is an oval mass protruding from the dogs’s third eyelid. It can occur in one or both eyes, and may be accompanied by swelling and irritation. He may have acquired it by getting an injury to his eye but this isn’t the case sometimes. Sometimes there is a weakness in the fibrous attachment.

The veterinarian will review the mass in the dog’s third eyelid and determine if there is an underlying cause for the condition. The diagnosis of the prolapsed gland could be scrolled or everted cartilage in the third eyelid, abnormal cells in the third eye, or a prolapse of fat in the dog’s eye.

Treatment often includes surgical replacement of the gland in the dog’s eye, or removal of the entire gland if the condition is severe. Conversely, if medications are recommended, they are typically topical anti-inflammatory drugs that are effective in reducing swelling.

Q. My 4 kittens eyes just opened up completely about 5 days ago. 3 of them have matted eyes in the morning. Will this eventually go away
ANSWER : A. It could be dry eyes or an infection. In the meantime go buy some genteal eye ointment at your local pharmacy and start placing that in the eyes every 12 hours to help lube the eyes. If that doesn’t work or if there is discharge that is green or yellow then it could be an infection and you will need meds for that, so you will need to find a veterinarian to treat that.

Q. I have two 3 week old kittens that I am bottle feeding. The kittens both have diareaa and there buts are red. Is there anything I can do ?
ANSWER : A. Diarrhea in kittens can be caused by many things, including intestinal parasites (very common in kittens), wrong formula, recent changes in diet (from queen’s milk to formula or from one formula to another), and other gastrointestinal upsets. Their bottoms are likely red and irritated from the diarrhea soiling the fur and skin, trapping moisture against the skin and serving as a breeding ground for bacteria. First, stop feeding the formula. Second, collect a fecal sample to be analyzed by your veterinarian for intestinal parasites. Third, call your vet and make an appointment as soon as possible, ideally the same day. Diarrhea in kittens is serious business and can lead to death from dehydration and loss of nutrients. Finally, in place of formula give an electrolyte replacement solution (like Pedialyte for infants/children) – plain, no flavors, no colors – for at least the next 1-2 feedings. This is not the same as a sports drink. After the 1st or 2nd feeding of straight electrolyte replacement solution, start to add formula back into diet at 1/4 strength ( 1 part formula to 3 parts water), The following feeding mix 2 parts formula to 2 parts water. Then, 3 parts formula to 1 part water. Finally, offer full-strength formula. If the diarrhea continues or worsens with increasing amounts of formula, go back to just electrolyte solution and repeat the process.