Table 2.
Ocular findings per person by area of residence.
| Ocular findings | Rural area | Urban area | All |
|---|---|---|---|
| N (%) | N (%) | N (%) | |
| No abnormalities | 91 (10.57) | 174 (14.75) | 265 (12.98) |
| Eyelids | |||
| Blepharitis | 6 (0.70) | 40 (3.39) | 46 (2.25) |
| Structural abnormality1 | 17 (1.97) | 14 (1.19) | 31 (1.52) |
| Anterior segment | |||
| Cornea | |||
| Cornealscar/opacification | 48 (5.57) | 68 (5.76) | 116 (5.68) |
| Keratitis | 3 (0.35) | 7 (0.59) | 10 (0.49) |
| Conjunctiva | |||
| Pterygium | 548 (63.65) | 651 (55.17) | 1199 (58.75) |
| Pinguecula | 173 (20.09) | 182 (15.42) | 355 (17.39) |
| Conjunctivitis | 6 (0.70) | 12 (1.02) | 18 (0.88) |
| Iris | |||
| Structural abnormality2 | 17 (1.97) | 27 (2.29) | 44 (2.16) |
| Absent puppilary response | 18 (2.09) | 21 (1.78) | 39 (1.91) |
| Lens | |||
| Cataract | 379 (44.02) | 547 (46.36) | 926 (45.37) |
| Pseudoexfoliation | 5 (0.58) | 12 (1.02) | 17 (0.83) |
| Posterior Segment | |||
| Glaucoma cupping | 80 (9.29) | 100 (8.47) | 180 (8.82) |
| Maculopathy3 | 40 (4.65) | 85 (7.20) | 125 (6.12) |
| Scar4 | 32 (3.72) | 40 (3.39) | 72 (3.53) |
| Age-related macular degeneration | 22 (2.56) | 20 (1.69) | 42 (2.06) |
| Vascular retinopathy | 15 (1.74) | 20 (1.69) | 35 (1.71) |
| Vitreous opacity | 17 (1.97) | 13 (1.10) | 30 (1.47) |
| Diabetic retinopathy | 9 (1.05) | 13 (1.10) | 22 (1.08) |
| Other optical atrophy | 4 (0.46) | 7 (0.59) | 11 (0.54) |
| High myopia | 2 (0.23) | 6 (0.51) | 8 (0.39) |
| Retina detachment | 1 (0.12) | 4 (0.34) | 5 (0.24) |
| Retinitis pigmentosa | 1 (0.12) | 2 (0.17) | 3 (0.15) |
| IOP ≥ 21 mmHg | 5 (0.58) | 44 (3.73) | 49 (2.40) |
| Globe | |||
| Phthisis bulbi | 8 (0.93) | 14 (1.19) | 22 (1.08) |
| Absent/desorganized | 0 (0.00 | 1 (0.08) | 1 (0.05) |
| Total | 861 (100.00%) | 1180 (100.00%) | 2041 (100.00%) |
1Entropion, irregular margins, ptosis; 2Corectopy, iris atrophy, synechiae; 3Maculopathy, drusen, retinal pigment epithelium atrophy; 4chorioretinitis, peripapilary atrophy, congenital abnormalities.
*The totals for the cause specific prevalence exceed the Total because a person can present two or more different ocular conditions in either eye.