In China, the prevalence of myopia in children is at an all-time high, and with some as young as 4 years-of-age becoming myopic the President, Xi Xinping, recently called for a national response.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...