Skip to main content

Table 1 Summary of characteristics of included studies

From: Global prevalence of myopia in children using digital devices: a systematic review and meta-analysis

First Author`s Name

Year

Country

Age range (Mean ± SD)

Sample size

Number of myopias among children in both eyes

Myopia prevalence in children (%)

Time spent for digital devices (Mean ± SD)

Activity p-value

Screen time for Nearsightedness

Lu et al. [38]

2009

China

10–19

(14.6 ± 0.8)

998

829

81

6.4 ± 7.3 (h/week)

< 0.001

Playing video

games or computer use

Mutti et al. [39]

2002

USA

13–14

366

67

18.3

2.7 ± 4.1 (h/week)

-

Playing video

games or computer use

Qian et al. [40]

2016

China

5–8

1589

344

21.7

Not Reported

0.015

Computers use

Qian et al. [40]

2016

China

9–12

4023

1583

39.3

Not Reported

0.015

Computers use

Qian et al. [40]

2016

China

13–16

2069

1079

52.1

Not Reported

0.015

Computers use

Chua et al. [41]

2015

Singapore

3

572

35

6.1

0.59 ± 0.32, 1.07 (h/day)

0.88

Computers use

Saxena et al. [42]

2015

India

5–15

(11.6 ± 2.2)

9884

1297

13.1

> 14 (h/week)

< 0.001

Computer use or video and mobile games

Paudel et al. [43]

2014

Vietnam

12–15

2238

456

20.4

4.9 ± 6.5 (h/week)

0.077

Computers use

Guan et al. [44]

2019

China

9–12

(10.6 ± 1.15)

19,934

3607

18.1

0 min/day (myopia: 16.5%)

1–30 min/day (myopia:22.4%)

31–60 min/day (myopia:27.2%)

 > 60 min/day (myopia:23.5%)

< 0.001

Computers use

Saw et al. [45]

2002

Singapore

7

522

27.6

Not Reported

0.05

Computer use

Saw. et al. [45]

2002

Singapore

8

321

34.6

Not Reported

0.05

Computer use

Saw et al. [45]

2002

Singapore

9

162

43.2

Not Reported

0.05

Computer use

Liu et al. [46]

2019

China

6–14

(9.5 ± 2.1)

566

335

59.2

0.68 ± 0.49 (h/day)

0.044

Computer use

McCrann et al. [47]

2018

Ireland

8–13

361

45

12.4

Not Reported

0.04

Playing video

games or computer use

Singh et al. [48]

2019

India

(10.5 ± 3.0)

1234

261

21.1

> 2 h/day

< 0.001

Playing video

games

 

Dixit R et al. [49]

2016

India

12–15

289

95

32.7

< 3 h/day (myopia:14.8%)

3–5 h/day (myopia: 11.6%)

 > 5 h/day (myopia: 13.6%)

< 0.005

Screen devices