Ten-year-old children with myopia in one eye and hyperopia in the other, mostly referred to as refractive error, can improve their vision by paying attention to eye hygiene, wearing glasses, and surgery is feasible for adult children. 1. Pay attention to eye hygiene: ten-year-old children with myopia in one eye may be pseudomyopia, they can pay attention to eye hygiene and take a ten-minute rest after every 30 to 40 minutes of eye use, and pseudomyopia can be effectively improved. 2. Wearing eyeglasses: A ten-year-old child with myopia in one eye and hyperopia in the other can experience discomfort such as double vision and blurred vision. Refractive error can be corrected by wearing eyeglasses to improve vision and relieve visual fatigue. 3. Refractive surgery: Refractive surgery is a mature surgical procedure that can effectively correct nearsightedness and farsightedness, and it is feasible for children to undergo refractive surgery in adulthood to improve their vision. It is recommended that children with refractive error should consult a doctor in time to assess their condition and follow the doctor’s advice to choose the appropriate treatment.