Ocular complications leading to visual acuity of less than 20/200
| Cause of visual loss | No of eyes | % |
|---|---|---|
| *Bilateral blindness in a patient with MS; †exudative detachment in one case; ‡miscellaneous includes choroidal detachment, vitreous haemorrhage, vitreous opacities, subretinal neovascularisation, enucleation, corneal opacities, and mature cataract. | ||
| Macular scar of toxoplasmic origin | 4 | 15 |
| Macular scars of unknown origin | 3 | 12 |
| Secondary glaucoma | 4 | 15 |
| Cystoid macular oedema | 2 | 8 |
| Optic neuritis | 2* | 8 |
| Hypotony/atrophy | 2 | 8 |
| Retinal detachment | 2† | 8 |
| Miscellaneous | 7‡ | 27 |
| Total | 26 | 100 |