Are there online resources for eye health information?

Red eye is caused by light reflecting off the retina at the back of your eyes. Generally, it happens in low light conditions when a flash is used. What are the most common causes of a red eye? · Allergies. · Blepharitis. · Pink eye (conjunctivitis). · Dry eye. · Eye injury. · Glaucoma. Mar 21, 2025 ... Causes of red eyes in dogs · Allergies · Environmental irritants · Conjunctivitis · Eye injuries · Uveitis · Corneal ulcers · Glaucoma · Dry eye. Sep 30, 2023 ... Bloodshot eyes typically appear red due to the dilation of tiny blood vessels in the whites of the eyes. Gritty or burning feeling, sticky eyes, Conjunctivitis ; Sore, blurry or watery eyes, Dry eyes ; Itchy, sore or red eyelids, Blepharitis ; Feels like there's ... Apr 28, 2020 ... My personal senior citizen red eye was caused by a blocked oil duct in the upper lid called a “chalazion”. Treatment is simply warm soaks and ... Feb 15, 2018 ... Although it could signal a serious eye condition such as cataract or retinal detachment, the most common reason for the “red-eye effect” is much ... Adenovirus infection symptoms are a lot like those caused by other infections. Usually, tests aren't needed if someone has mild symptoms. But if a person has a ... Jan 22, 2025 ... It's common for a red eye to look worse than it feels. Many eye conditions can cause red eyes, such as injury, allergy, or dryness. Jul 12, 2018 ... This increases the blood flow to these areas and causes an overall decrease in blood pressure. The increased blood flow to your eyeball causes ...