
The inflammation makes blood vessels in the membrane more visible, which makes the eyes look red or pink.

Conjunctivitis: Also known as “pink eye,” conjunctivitis can be a bacterial, viral infection, or an allergic reaction that causes inflammation of the membrane that protects the white of the eye and lines the eyelid.Chemical burns: Did you perhaps get a household chemical such as cleaning products, fertilizer, drain cleaner, nail polish remover, or vinegar in your eye? Rinse the eye with saline solution or allow water from the shower to irrigate the eye for at least 10 minutes, and then seek emergency help.An abrasion of the cornea can feel like there’s something under the eyelid or in the eye. Abrasions (scratches) of the cornea: Corneal abrasions can happen from rubbing the eye when there’s a foreign body present, wearing contact lenses too long, being hit in the eye with an object, or if the eye comes in contact with something like a grain of sand.Sharp pain in your eye? Here are some common causes of eye pain – see if any of them apply to you:
