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Table 3 Prevalence of Astigmatism* by Gender and Ethnicity

From: Prevalence and pattern of refractive error and visual impairment among schoolchildren: the Lhasa childhood eye study

Cylinder Value (D)

−1.75 to − 0.75

≤ − 2.00

All

 

n

%

n

%

n

%

Gender

      

Boys

359

36.5

86

8.7

445

45.2

Girls

300

34.4

87

10.0

387

44.4

Ethnicity

      

Tibetan

632

35.9

167

9.5

799

45.3

Other

27

28.7

6

6.4

33

35.1

All

659

35.5

173

9.3

832

44.8

  1. Data are presented as number (%) of children in each gender or ethnicity groups
  2. *Categorized using the cylinder value in the eye with greater astigmatism by cycloplegic refraction
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BMC Ophthalmology

ISSN: 1471-2415

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