A cat's inability to open one eye may be caused by a variety of reasons. The following are some possible causes and corresponding treatment suggestions: Overheating: If the cat often eats dry, greasy food and does not drink enough water, it may cause Causes getting angry. After getting angry, a lot of eye mucus may appear in the cat's eyes. If not cleaned in time, the upper and lower eyelids may be stuck with secretions, causing the eyes to be unable to fully open. At this time, it is recommended to provide the cat with a light diet, increase the amount of water it drinks, gently open the cat's eyes, and use saline or pet-specific sterilizing and anti-inflammatory topical eye drops to clean the eyes. Foreign body irritation: Dust, hair, mosquitoes and other foreign bodies may enter the cat's eyes. These foreign bodies can irritate the eyes and prevent the cat's eyes from fully opening. It is recommended to check the cat's eyes and if any foreign body is found, flush it with saline and then use anti-inflammatory eye drops to prevent infection.

Ocular inflammation: Cats may suffer from eye inflammation such as conjunctivitis and keratitis caused by bacteria or viruses. Symptoms include red and swollen eyes, tearing, photophobia, and excessive eye feces. If the symptoms are severe or accompanied by other symptoms of viral infection such as sneezing, runny nose and other symptoms, it is recommended to send the patient to the doctor immediately for examination and treatment according to the guidance of the veterinarian.

Eye infection: Dry eyes, frequent tearing, and bloodshot eyes may be symptoms of eye infection. Mild infections can be treated with anti-inflammatory and anti-infective eye drops, but if symptoms persist or worsen, it is recommended to seek medical attention as soon as possible.