What causes bloodshot eyes?
What causes bloodshot eyes? We’ve all been there – your eyes suddenly become bloodshot and you look like you’re auditioning for a part as an extra in The Walking Dead. Fear not, it’s not an unusual occurrence and most of the time things look far worse than they are. Affecting factors Although the main cause is swelling of the blood vessels, there can be many additional contributing factors. We’ve short-listed the most common, and if you’d like to know more about each one and how you can treat it, read on further below: Conjunctivitis Eye infections such as blepharitis Improper contact lens use Eye whitening drops Cold and flu Smoking, drinking alcohol, and drug use Tiredness and dry eyes Conjunctivitis One of the top likely causes behind red eyes, conjunctivitis is a condition where the conjunctiva swells and becomes irritated. The conjunctiva is a thin, transparent membrane that covers the outside of the eye and the inside of our eyelids. You may...