| Frequency | Percentage |
Presbyopia | 31 | 28.2 |
Cataract | 30 | 27.3 |
Refractive error | 29 | 26.4 |
Pterygium | 12 | 10.9 |
Conjunctivitis | 9 | 8.2 |
Dry eye | 7 | 6.4 |
Blepharitis | 5 | 4.5 |
Pinguiculae | 3 | 2.7 |
Corneal ulcer | 2 | 1.8 |
Chalazion | 2 | 1.8 |
Episcleritis | 1 | 0.9 |
Optic atrophy | 1 | 0.9 |
Subconjunctival haemorrhage | 1 | 0.9 |
Strabismus | 1 | 0.9 |