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Table 4 Numbers of different types of corneal disease

From: Prevalence of infectious keratitis in Central China

Corneal disease Rural area Urban area Total Prevalence
No. No. No. %
Pterygium 126 13 139 65.9%
Infectious keratitis 28 11 39 18.5%
Traumatic scar 10 3 13 6.1%
Unknown cause scars 11 9 20 9.5%
  1. Distribution of corneal diseases. Numbers of pterygium, infectious keratitis, traumatic scar and unknown cause scars in rural and urban respectively is 126, 28, 10, 11 and 13, .11, 3, 9. A large proportion (65.9%) of the 211 individuals with corneal disease in our investigation had a pterygium lesion.