Can radiation therapy to the head and neck affect the eyes?

Viruses can cause conjunctivitis, such as the familiar red eyes, sore throat, and runny nose of a common cold. Viral conjunctivitis usually produces a ... Sep 3, 2024 ... Due to repeated and forceful self-induced vomiting, a sudden increase in pressure from throwing up can increase the pressure inside the eye and ... 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 ... 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 ... Why your eyes are always red · 1. Allergies · 2. Eye irritation · 3. Dry eyes · 4. Broken blood vessels · 5. Pink eye · 6. Other infections · 7. Internal styes · 8. 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 ... Mar 12, 2018 ... Extra blood is necessary to counter inflammation because blood carries white blood cells meant to fight inflammation. Some reasons for ... Oct 22, 2019 ... Possible causes of eye redness · Allergies: If you have allergies, your eyes may also see the difference with changing seasons. · Broken blood ... What are the most common causes of a red eye? · Allergies. · Blepharitis. · Pink eye (conjunctivitis). · Dry eye. · Eye injury. · Glaucoma. Bloodshot eyes happen when the blood vessels in your eye become more noticeable, larger or inflamed. Your eyes might not feel any different.