there can be many causes for discomfort and redness in the eye. the only way to tell what is going on is to have your eye checked by your doctor or eye doctor right away. some possibilities include: a foreign body in the eye a stye an infection (viral bacterial or fungal) a chalazion (an inflammatory growth under the eyelid) or some other lesion. eye allergies and dry eyes are also possibilities. if you are a contact lens wearer do not put in your contacts until cleared by your doctor.
gritty uncomfortable sensation under the eyelid in the right eye. it's also really red. the left one is ok. what is it?