Table 1. Descriptive summary of the characteristics of the patients with glaucoma .

	Number of a pair of eyes (%)
	(1, 1), n=92		(1, 0), n=69		(0, 1), n=63		(0, 0), n=313
Variables	Number	Percent	Number	Percent	Number	Percent	Number	Percent
Age (y)
≤ 43	7)	1.30	12	2.23	11	2.05	79	14.71
44-69	25	4.66	24	4.47	26	4.84	114	21.23
≥ 70	60	11.17	33	6.15	26	4.84	120	22.35
Gender
Female	15	2.29	23	4.28	24	4.47	162	30.17
Male	77	14.34	46	8.57	39	7.26	151	28.12
Residence
Rural	18	3.35	30	5.59	24	4.47	168	31.28
Urban	74	13.78	39	7.26	39	7.26	145	27.00
Diabetes
No	42	7.82	45	8.38	35	6.52	107	19.93
Yes	50	9.31	24	4.47	28	5.21	206	38.36
Duration of treatment (yrs.)
< 1	49	9.12	28	5.21	27	5.03	91	16.95
1-5	24	4.47	24	4.47	22	4.10	117	21.79
> 5	19	3.54	17	3.17	14	2.61	105	19.55
Stage of glaucoma
Early	11	2.05	13	2.42	12	2.23	107	19.93
Moderate	33	6.15	25	4.66	24	4.47	96	17.88
Advanced	48	8.94	31	5.77	27	5.03	110	20.48
Hypertension
No	50	9.31	43	8.00	42	7.82	186	34.64
Yes	42	7.82	26	4.84	21	3.91	127	23.65
Family History of glaucoma
No	58	10.80	41	7.64	42	7.82	118	21.97
Yes	34	6.33	28	5.21	21	3.91	195	36.31
Type of medication
Timoglue	31	5.77	23	4.28	22	4.10	110	20.48
Diamox	40	7.45	26	8.48	24	4.47	118	21.97
Timolol	21	3.91	20	3.72	17	3.17	85	15.83

Source: Alert Hospital, Addis Ababa, Ethiopia; from January 1, 2018, to December 30, 2021

(1, 1): both eyes; (1, 0): only right eye; (0, 1): only left eye; (0, 0): neither left nor right eye.