Table 1.
Incidence of KC in different countries
| Countries | Prevalence of Keratoconus |
|---|---|
| Russia | 0.3 per lakh |
| India | 2,300 per lakh |
| United states | 54.5 per lakh |
| Iran | 2,300 per lakh |
| Columbia | 3,900 per lakh |
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