Table 1.
Retinal vascular changes in hypertensive patients in Ibadan
| Retinal vascular changes | Frequency | Percentage |
|---|---|---|
| Hypertensive retinopathy | 175 | 19.4 |
| Grade 1 | 100 | |
| Grade 2 | 63 | |
| Grade 3 | 10 | |
| Grade 4 | 2 | |
| Retinal vascular occlusion | 121 | 13.4 |
| CRVO | 30 | |
| Branch retinal vein occlusion | 43 | |
| Hemicentral vein occlusion | 26 | |
| Central retinal artery occlusion | 17 | |
| Branch retinal artery occlusion | 3 | |
| Combined retinal artery and vein occlusion | 2 | |
| Optic atrophy (HT optic neuropathy) | 23 | 2.5 |
| RAM | 11 | 1.2 |
| Anterior ischemic optic neuropathy | 5 | 0.6 |
| Hypertensive choroidopathy | 7 | 0.8 |
| Hemorrhagic choroidal detachment | 5 | 0.6 |
| No retinopathy | 556 | 61.5 |
| Total | 903 | 100 |
Abbreviations: CRVO, central retinal vein occlusion; HT, hypertensive; RAM, retinal artery macroaneurysm.