Table 7

Presenting cataract blindness (VA <6/60) and cataract surgery prevalence by age, sex, and literacy

	Number examined	Never operated cataract blind		Cataract operated				Cataract blindnessburden		% Surgical coverage
		Never operated cataract blind		All operated		Presumed blind*		Cataract blindnessburden
		No	Prevalence†	No	Prevalence†	No	Prevalence†	No	Prevalence†
*Includes all bilaterally operated people and unilaterally operated people with a blind fellow eye.
†Crude prevalence per 100 examined subjects.
‡Literacy is missing for one case.
Age
45–49	1258	2	0.2	8	0.6	5	0.4	7	0.6	70
50–59	1505	4	0.3	23	1.5	14	0.9	18	1.2	62.9
60–69	1265	16	1.3	49	3.9	27	2.1	43	3.4	62.7
70+	974	61	6.3	115	11.8	76	7.8	137	14.1	54.9
Sex
Male	2242	29	1.3	93	4.2	62	2.8	91	4.1	68.1
Female	2760	54	2.0	102	3.7	60	2.8	114	4.1	52.6
Literacy‡
Yes	1244	6	0.5	49	3.9	25	2.0	31	2.5	80.6
No	3757	77	2.1	146	3.9	97	2.6	174	4.6	55.7
All		83	1.7	195	3.9	122	2.4	205	4.1	59.5