Impairment of vision quality. The eyes may suddenly turn pinky or even reddish. Soreness and irritation of the eyes, as well as a violation of visual acuity, are associated with the appearance of conjunctivitis (the inflammation of mucous membrane covering eyelids and eyeballs), which can occur both before the beginning joint damage and at the same time. About 7 percent of patients note that their eyes have become more sensitive and irritable to light. If you notice visual impairment, do not hesitate to visit a doctor.