Causes and Five-Year Proportion of New Irreversible Visual Impairment in Jinshan District, Shanghai, from 2009–2018

Table 2

Primary causes of visual impairment in the better-seeing eye in Jinshan district, Shanghai.

	2009–2013				2014–2018
	Blindness		Low vision		Blindness		Low vision
Causes	n	% (95% CI)	n	% (95% CI)	n	% (95% CI)	n	% (95% CI)	value^a	value^b
MMD	13	15.5 (7.6, 23.4)	98	39.2 (33.1, 45.3)	63	21.3 (16.6, 26.0)	126	38.7 (33.3, 44.0)	0.281	0.931
AMD	8	9.5 (3.1, 15.9)	24	9.6 (5.9, 13.3)	58	19.6 (15.0, 24.1)	76	23.3 (18.7, 27.9)	0.034	<0.001
DR	12	14.3 (6.6, 21.9)	12	4.8 (2.1, 7.5)	25	8.4 (5.3, 11.6)	24	7.4 (4.5, 10.2)	0.142	0.228
ONA	12	14.3 (6.6, 21.9)	22	8.8 (5.3, 12.3)	44	14.9 (10.8, 18.9)	23	7.1 (4.3, 9.8)	1.000	0.439
Glaucoma	11	13.1 (5.7, 20.5)	14	5.6 (2.7, 8.5)	22	7.4 (4.4, 10.4)	10	3.1 (1.2, 4.9)	0.123	0.145
RP	3	3.6 (−0.5, 7.6)	11	4.4 (1.8, 7.0)	20	6.8 (3.9, 9.6)	11	3.4 (1.4, 5.3)	0.436	0.521
Others	25	29.8 (19.8, 39.7)	69	27.6 (22.0, 33.2)	64	21.6 (16.9, 26.3)	56	17.2 (13.1, 21.3)	0.144	0.003

^aComparison of the prevalence of blindness between 2009–2013 and 2014–2018. ^bComparison of the prevalence of low vision between 2009–2013 and 2014–2018.