causes of red, puffy and itchy under eyes
Red puffy eyes can also be a result of skin disorders, such as dermatitis. Other possible causes include: the normal aging process, dysfunction of tear glands, hypothyroidism, contact lenses, nephritic syndrome, blepharitis, conjunctivitis, styes and eye infections.
Also called pink eye, conjunctivitis is inflammation of the clear lining of the surface of the eye, called the conjunctiva. Allergic, bacterial and viral types of pink eye can all result in swollen eyelids, among other symptoms such as watery, red and itchy eyes.