Persistent Red Eyes? Common Causes and When to See an Eye Doctor
Red eyes are a common concern that many people experience from time to time. While occasional redness may be harmless and temporary, persistent red eyes can signal an underlying issue that requires attention. Understanding the possible causes and knowing when to seek professional care can help prevent complications and protect long-term eye health . What Causes Persistent Red Eyes? Red eyes occur when the small blood vessels on the surface of the eye become enlarged or irritated. This can happen for a variety of reasons, ranging from mild environmental triggers to more serious eye conditions. Common causes include: Dry eyes Often linked to prolonged screen use, air-conditioned environments, or ageing, dry eyes can lead to ongoing redness, irritation, and a gritty sensation. Allergies Exposure to allergens such as dust, pollen, or pet dander can cause redness alongside itching and watering. Blepharitis Inflammation of the eyelids can result in red, irritated eyes, often accompanied...