Perhaps many people do not realize that 80% to 90% of the information we receive every day is obtained through our eyes. Friends who cannot see clearly or even cannot see at all can only compensate by touching and listening. In this world we are used to, there are many obstacles that they cannot overcome. Some people may think that it is only a very small number of people. But in fact, the number of this group is not small at all. According to the latest statistics, the prevalence rate of moderate and severe visual impairment in our country has reached 5.31%, 2.7 times the number of blind patients. On average, one in 20 people needs to use auxiliary equipment Read More …