Pan, CW; Ramamurthy, D; Saw, SM. Worldwide prevalence and risk factors for myopia.. Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists). January 2012, 32 (1): 3–16. PMID 22150586. doi:10.1111/j.1475-1313.2011.00884.x.
Pan, CW; Dirani, M; Cheng, CY; Wong, TY; Saw, SM. The age-specific prevalence of myopia in Asia: a meta-analysis.. Optometry and vision science : official publication of the American Academy of Optometry. March 2015, 92 (3): 258–66. PMID 25611765. doi:10.1097/opx.0000000000000516.
Pan, CW; Ramamurthy, D; Saw, SM. Worldwide prevalence and risk factors for myopia.. Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists). January 2012, 32 (1): 3–16. PMID 22150586. doi:10.1111/j.1475-1313.2011.00884.x.
Pan, CW; Dirani, M; Cheng, CY; Wong, TY; Saw, SM. The age-specific prevalence of myopia in Asia: a meta-analysis.. Optometry and vision science : official publication of the American Academy of Optometry. March 2015, 92 (3): 258–66. PMID 25611765. doi:10.1097/opx.0000000000000516.