SANTEN 40 Anti-Fatigue Anti-Blurred Vision Eye Drops 12ml is an eye drop specially designed to reduce eye fatigue and prevent blurred vision. This product contains a variety of active ingredients, such as zinc sulfate, sodium sulfate, hydroxymethylcellulose, etc., which can relieve eye fatigue and protect eyesight, and is suitable for people who use computers or other electronic products for a long time. The method of use is 1-2 drops each time, up to 4 times a day. Please read the instructions carefully and follow your physician's advice before use.