Can reading lights in airplanes strain the eyes in low-light conditions?

Exposure to pollen, grass and other airborne allergens causes seasonal allergic conjunctivitis. ... Red eyes. Watery or white, stringy mucus discharge. Swollen ... Those allergens and irritants cause the conjunctiva to swell and symptoms of eye allergies to occur. Common symptoms include: red, irritated, teary and itchy ... Sep 26, 2022 ... Another common cause of a red eye in a child is infection. The most likely pathogen here is viral, but bacterial, fungal and rarely amoebic ... 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 ... This redness is most often caused by rupture of a blood vessel (haemorrhage), an inflammatory reaction, or dilation of a blood vessel in the eye, but it can ... Q 2: What causes red eyes? · Thick, yellow green discharge from the eye usually indicates that there is a bacterial infection. · Clear discharge from the eye may ... Apr 7, 2023 ... What Causes Red Eyes? Bloodshot or red eyes eyes are usually caused by an external irritant, called an allergen. Irritated eyes can look ... The hue is mostly caused by a high concentration of blood in the choroid. The effect can also be influenced by the near proximity of the flash and camera lens. Oct 30, 2021 ... What is causing my dog's red eyes? · Allergies · Eye Injury or Trauma · Conjunctivitis · Dry Eye Syndrome. These fall in into three general categories: environmental factors such as allergens and pollution, common eye conditions such as conjunctivitis and dry eye ...