Table 2.
Distribution of Ocular Disorders in the Three Factories Studied.
| Facories | |||||
|---|---|---|---|---|---|
| Ocular Disorders | Construc. (Of 400 Eyes) | Rubber Fac. (Of 360 Eyes) | Oil Mill (Of 240 Eyes) | Total Eyes (1000) | % |
| Pingueculum | 90 (22.5%) | 98 (27.3%) | 27 (11.2%) | 215 | 21.5 |
| Presbyopia | 41 (10.3%) | 42 (11.6%) | 14 (5.8%) | 97 | 9.7 |
| Refractive error | 39 (9.7%) | 42 (11.6%) | 13 (5.4%) | 94 | 9.4 |
| Pterygium | 39 (9.7%) | 44 (12.2%) | 3 (1.2%) | 86 | 8.6 |
| Choronic conjunctivitis | 34 (8.5%) | 4 (1.1%) | 7 (2.9%) | 45 | 4.5 |
| Optic neuropathy | 22 (5.5%) | 5 (1.4%) | - | 27 | 2.7 |
| Glaucoma | 10 (2.5%) | 9 (2.5%) | 7 (2.9%) | 26 | 2.6 |
| Conjunctival naevus | 7 (1.7%) | 9 (2.5%) | 10 (4.2%) | 26 | 2.6 |
| Macula disease | 7 (1.7%) | 7 (1.9%) | - | 14 | 1.4 |
| Hypertensive retinopathy | 4 (1.0%) | 4 (1.1%) | - | 8 | 0.8 |
| Retinal detachment | 2 (0.5%) | - | 6 (2.5%) | 8 | 0.8 |
| Cataract | 5 (1.2%) | - | - | 5 | 0.5 |
| Corneal opacity | 2 (0.5%) | - | 3 (1.3%) | 5 | 0.5 |
| Chorioretinal scar | 2 (0.5%) | 2 (0.5%) | - | 4 | 0.4 |
| Optic atrophy | 2 (0.5%) | - | - | 2 | 0.2 |
| Chalazion | - | 2 (0.5%) | - | 2 | 0.2 |
| Total | 306 (76.5%) | 268 (74.4%) | 90 (37.5%) | 664 | 66.4 |