Table 2

Baseline characteristics of the two cohorts

Characteristics		Motion impairment				Normal motion		Total No of subjects		χ² test p Value
Characteristics		No	%			No	%	Total No of subjects		χ² test p Value
Age (years):
50–59	2	7		25	49	27
60–69	8	30		16	31	24
⩾70	17	63		10	20	27	<0.001
Sex:
Male	10	37		27	53	37
Female	17	63		24	47	41	0.18
Occupation:
Farmer	22	81		37	73	59
Non-farmer	5	19		14	27	19	0.38
Family history:
No	26	96		45	88	71
Yes	1	4		6	12	7	0.23
Visual acuity:
6/6– 6/9	18	68		35	69	53
6/12–6/18	9	32		16	31	25	0.86
IOP:
<21 mm Hg	12	44		17	33	29
>21 mm Hg	15	56		34	67	49	0.46
C/D:
Normal	9	33		29	57	38
Abnormal	18	67		22	43	40	0.059

↵Fisher’s exact test.