The medical name of Zhenshiming Eye Drops is Four Flavors Zhenlian Ice Boron Eye Drops, and its main effect is to relieve visual fatigue. Visual fatigue can be caused by a variety of reasons, such as using the eyes too much, staying up too late, or refractive error patients do not wear glasses, etc., can appear dry eyes, soreness, fatigue and other discomfort. If the patient is a short-term symptom, the use of Zhenshiming eye drops can quickly relieve the symptoms. Zhenshiming eye drops also have the effect of improving pseudomyopia, because the occurrence of pseudomyopia, itself, is related to long-term visual fatigue, if the visual fatigue symptoms continue not to improve, it may develop into true myopia, the appropriate use of Zhenshiming eye drops, you can reverse the situation of pseudomyopia. However, this type of drug is not the first choice of anti-fatigue drugs, because it contains preservatives, long-term use may lead to damage to the ocular surface, so it is recommended that the duration of use is about 1-2 weeks.