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Table 2 Prevalence of strabismus and subtypes (N = 1856)

From: Prevalence and associated risk factors for childhood strabismus in Lhasa, Tibet, China: a cross-sectional, school-based study

Classification

n (%)

Exotropia

43 (2.3)

 Basic non-specific type

31 (1.7)

 Divergence excess

1 (0.1)

 Convergence insufficiency type

11 (0.6)

Esotropia

8 (0.4)

 Accommodative esotropia

5 (0.3)

 Non-accommodative esotropias

1 (0.1)

 Others

2 (0.1)

Vertical deviation combining horizontal strabismus

8 (0.4)

 Exotropia combining SOP

7 (0.4)

 Exotropia combining DDP

1 (0.1)

Vertical strabismus

3 (0.2)

 SOP

3 (0.2)

Microtropia

2 (0.1)

Others

4 (0.2)

 Duane syndrome

2 (0.1)

 DVD combining oblique muscle dysfunction

1 (0.1)

 Nystagmus for congenital cataract

1 (0.1)

Total

68 (3.7%)