Table 3

 Causes of blindness

CauseCause of blindness in either eyeCause of blindnessin both eyes
*Number of eyes; †Number of subjects; CNVM, choroidal neovascular membrane; ARMD, age related macular degeneration; CMO, cystoid macular oedema; PDR, proliferative diabetic retinopathy; RP, retinitis pigmentosa; RD, retinal detachment; PCO, posterior capsular opacification.
Age related cataract197 (74.62%)92 (78.63%)
Glaucoma10 (3.79%)5 (4.27%)
Optic atrophy10 (3.79%)4 (3.42%)
Corneal decompensation6 (2.27%)2 (1.7%)
Corneal scar10 (3.79%)3 (2.56%)
Macular disease2 (0.76%)1 (0.85%)
CNVM2 (0.76%)1 (0.85%)
ARMD5 (1.89%)2 (1.7%)
CMO10 (3.79%)3 (2.56%)
Macular hole2 (0.76%)1 (0.85%)
PDR1 (0.38%)Nil
RP4 (1.52%)2 (1.7%)
RD1 (0.38%)Nil
Post-trauma1 (038%)Nil
Prephthisical1 (0.38%)Nil
PCO2 (0.76%)1 (0.85%)
Total264*117†