Table 2.

Operated and Unoperated Persons with Cataract-Related Severe Visual Impairment or Blindness (<20/200) by Age, Gender, Education, and Province

	No Examined	Cataract-Operated Persons				Unoperated		Surgical Coverage (%)
		All Operated		Presumed Severe Visual Impairment or Blindness*		Cataract Severe Visual Impairment or Blindness*
		No	Prevalence†	No.	Prevalence†	No.	Prevalence†
Age (yrs)
50–59	21 670	109	0.50	53	0.24	53	0.24	50.0
60–69	13 345	265	1.99	162	1.21	129	0.97	55.7
70–79	8351	436	5.22	298	3.57	527	6.31	36.1
80+	2381	144	6.05	115	4.83	422	17.7	21.4
Gender
Male	20 947	391	1.87	245	1.17	408	1.95	37.5
Female	24 800	563	2.27	383	1.54	723	2.92	34.6
Education
None	13 796	485	3.52	326	2.36	770	5.58	29.7
<Primary	7307	128	1.75	90	1.23	151	2.07	37.3
Primary	16 252	231	1.42	147	0.90	170	1.05	46.4
≥Secondary	8392	110	1.31	65	0.77	40	0.48	61.9
Province
Beijing	5118	141	2.75	84	1.64	51	1.00	62.2
Jiangshu	5141	75	1.46	41	0.80	67	1.30	38.0
Guangdong	4589	141	3.07	110	2.40	132	2.88	45.5
Heilongjiang	5047	49	0.97	32	0.63	99	1.96	24.4
Jiangxi	5010	83	1.66	62	1.24	130	2.59	32.3
Hebei	5051	90	1.78	51	1.01	73	1.45	41.1
Xinjiang	5250	81	1.54	53	1.01	39	0.74	57.6
Chongqing	5390	74	1.37	48	0.89	127	2.36	27.4
Yunnan	5151	220	4.27	147	2.85	413	8.02	26.3
All	45747	954	2.09	628	1.37	1131	2.47	35.7

^*Visual acuity <20/200 in both eyes.

^†Prevalence per 100 examined participants.