How can scratching your eyes damage the cornea?

Jan 7, 2025 ... Dust, air pollution, chemicals, and wind are common causes. Some people develop eye redness due to smoke in the environment. It is not uncommon ... May 26, 2022 ... If your red and bloodshot eyes are due to dry eye, hay fever or another allergy, conjunctivitis, blepharitis or photokeratitis, you may be able ... A RED OR BLOODSHOT EYE – SUBCONJUNCTIVAL HAEMORRHAGE · There are some potentially serious causes of this, but the most common (and benign) cause is a ... One of the most common is having red eyes (or a red eye), which, in the vast ... When this happens, it can cause a bright red blood spot within the eye. Nov 18, 2024 ... Some of the most common causes of red eyes in dogs include allergic or bacterial conjunctivitis, upper respiratory infection, or eye irritation ... Sep 15, 2022 ... Blepharitis is a common eye condition that makes your eyelids red, swollen, irritated, and itchy. It can cause crusty dandruff-like flakes on your eyelashes. Aug 5, 2024 ... It may be related to an autoimmune disorder, infection, or exposure to toxins. The type of uveitis that causes the worst red eye is called ... Colds and other viral infections don't just cause sneezing and coughing but they may also affect your eyes. If your eyes are red, uncomfortable, and won't stop ... Seasonal or environmental allergies, such as those to pollen, pet dander, and cigarette smoke, can cause red and swollen eyes. You may also experience itching, ... May 23, 2024 ... Causes. Bloodshot eyes appear red because the vessels at the surface of the white portion of the eye (sclera) become swollen. Vessels may swell ...