My son became the patient of Dr. Liang since 2012. He likes reading a lot, which led him become nearsighted. I am so worried about that the situation being worse if not being controlled. Therefore, we checked twice a year and ask for advice. Dr. Liang is very experienced and knowledgeable. She has many ways of controlling and prevention. My son tried several ways and made adjustments During the period, and finally found the best solution. Thank you Dr. Liang for your professional service!