Core Viewpoint - The increasing prevalence of myopia among children is linked to factors such as screen exposure and insufficient outdoor activities, emphasizing the importance of nutrition during critical developmental periods for visual health [1] Group 1: Importance of Outdoor Activities and Nutrition - Children should engage in at least 2 hours of outdoor activities daily to prevent myopia [1] - Nutritional intake is crucial for preventing and improving visual impairments like amblyopia and myopia [1] Group 2: Key Nutritional Components for Eye Health - Protein is essential for visual development and should be sourced from lean meats, fish, dairy, and soy products [2] - Vitamin A is vital for normal growth of corneal and retinal cells, with sources including liver, carrots, and dark vegetables [3] - Vitamins C and E serve as antioxidants, protecting eye tissues from damage, found in citrus fruits, nuts, and leafy greens [4] - B vitamins support metabolic processes in the retina and cornea, primarily sourced from whole grains, meats, and dairy [5] - Calcium is necessary for maintaining the firmness of the eyeball, with dairy, legumes, and leafy greens as primary sources [6] - Trace elements like chromium, manganese, selenium, and zinc are crucial for visual function and development, found in seafood, nuts, and liver [7] Group 3: Dietary Recommendations for Eye Health - Lutein filters harmful blue light and is found in spinach, broccoli, and carrots [9] - DHA, an omega-3 fatty acid, enhances visual sensitivity and is best obtained from deep-sea fish [9] - A balanced diet is essential to prevent nutritional deficiencies that can lead to myopia, with recommendations for whole grains, fresh vegetables, and fruits [10]