Fig. 2From: Refractive and corneal astigmatism in Chinese 4–15 years old children: prevalence and risk factorsPercentiles distribution (The 3rd, 5th, 10th, 25th, 50th, 75th, 90th and 95th percentiles) of RA and CA values based on the learning stages. RA, refractive astigmatism; CA, corneal astigmatismBack to article page