R&C Eye Drops, its generic name is Compound Chondroitin Sulfate Eye Drops. It is mostly used to relieve eye fatigue and can reduce symptoms such as dry eyes and conjunctival congestion. Chondroitin Sulfate in Compound Chondroitin Sulfate Eye Drops is a kind of acidic mucopolysaccharide, which is an important component of eye tissue. It can improve the water metabolism of the cornea, and can promote the cornea to repair damage. Compound chondroitin sulfate eye drops can be used when there are symptoms of eye fatigue such as eye swelling, soreness and a slight loss of vision. It will form a protective film on the surface of the cornea, preventing moisture from escaping, thus relieving eye fatigue. When using Compound Chondroitin Sulfate Eye Drops, do not touch the mouthpiece of the tube with your hands to avoid contamination of the drops. Some patients may experience slight irritation after use. Patients suffering from glaucoma as well as severe eye pain should use it under the guidance of a doctor. If symptoms of irritation such as eye congestion, redness and swelling occur after use, discontinue use and consult a doctor at the hospital immediately.