Are blood vessel problems in the eye a cause?

Retinoblastoma is a type of cancer that affects your eye's retina. Usually, it affects infants and children, but in rare cases, adults develop it, too. You may ... What causes red eyes? · Allergies · Eye fatigue · Dry eyes · Pink eye or other eye infection · Glaucoma · Digital eyestrain · Trauma or eye injury · Corneal ulcer ... Jan 16, 2020 ... Allergies are the primary cause of red eyes. The body reacts to an allergen—pollen, pet dander, mold, dust—by releasing histamines. Histamines ... Red eyes are usually caused by easily treated issues like allergies or pink eye. But if you're in pain or your vision's changing, it could be more serious. Bloodshot eyes happen when the blood vessels in your eye become more noticeable, larger or inflamed. Your eyes might not feel any different. 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, ... Viruses can cause conjunctivitis, such as the familiar red eyes, sore throat, and runny nose of a common cold. Viral conjunctivitis usually produces a watery ... 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. Sep 17, 2024 ... Why Does Weed Make Your Eyes Red? ... Smoking weed causes red eyes by affecting a person's blood pressure and heart rate. By relaxing blood ... Feb 26, 2025 ... Yes, sinus allergies can cause red eyes. This happens when allergens trigger the body's immune response, leading to inflammation and swelling in ...