| Number | Percentage |
Using spectacles for distance viewing | 136 | 32.4 |
Using contact lens for viewing | 55 | 13.1 |
Refractive surgery done | 51 | 12.1 |
Eye allergy | 105 | 25 |
Taking eye medication | 19 | 4.5 |
Other Eye surgery in past | 16 | 3.8 |
Systemic health ailment | 96 | 22.9 |
Diagnosed with keratoconus | 9 | 2.1 |
Keratoconus in other family member | 24 | 5.7 |