Prevalence of refractive errors in school-going children of Taif region of Saudi Arabia.

Consistent with previous findings,[ 4 8 9 12 16 18 19 20 21 22 23 24 25 29 30 31 32 ] we found an increasing trend of myopia with age in this study (26.81% in 7–9 years to 43.75% in 16–18 years age group) [ Table 1 ].

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e higher than that previously reported from Saudi Arabia (0.9%–2.5%),[ 8 9 10 11 ] Iran,[ 4 20 21 22 ] China,[ 23 25 ] South Korea,[ 31 ] Nigeria,[ 13 30 ] Mexico,[ 26 ] Pakistan,[ 17 ] Vietnam,[ 29 ] Ethopia;[ 27 28 ] whereas lower than that reported from China[ 18 24 ] and Iran.[ 4 15 ] Moreover, a decreasing trend of hyperopia prevalence with age was evident in the current study (20.62% in 7–9-14.58% in 16–18 years age group) which is in agreement with previous findings.[ 4 12 16 17 18 20 21 22 24 25 29 31 32 ] Of all the study participants identified with hyperopia, about 92% had low to moderate hyperopia.

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