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Table 2 Spherical Equivalent and Range of Power of the Orang Asli Children Refractive Errors

From: Status of visual impairment among indigenous (Orang Asli) school children in Malaysia

Spherical Equivalent (SE) Right Eye (Ds)/Power Range (Ds) Left Eye (Ds)/Power Range (Ds)
Age Level 1 (7–9 years old) + 0.55 ± 0.63/(−1.00, + 2.25) + 0.54 ± 0.56/(− 1.00, + 1.75)
Level 2 (10–12 years old) + 0.27 ± 0.71/(− 2.00, + 1.75) + 0.31 ± 0.65/(− 1.75, + 1.75)