Table 1.

Clinical characteristics of study participants with geographic atrophy secondary to age-related macular degeneration and age-matched controls.

Parameters	Healthy control (n=10) Mean (standard deviation)	GA patients (n=10) Mean (standard deviation)	P value
Age (years)	76.3 (4.2)	81.3 (9.3)	0.14
Sex(male/female)	7/3	7/3	1.00
Axial length (mm)	24.62 (0.85)	24.02 (0.63)	0.09
Intraocular pressure (mmHg)	14.8(2.4)	13.8(2.8)	0.41
Visual acuity (ETDRS letters)	85.7(2.1)	73.1(7.0)	<0.001
Systolic Blood pressure (mmHg)	126.2(18.7)	130.2(18.4)	0.67
Diastolic blood pressure (mmHg)	74.4(11.1)	74.4(10.8)	1.00
Ocular perfusion pressure (mmHg)	46.4(8.2)	48.2(6.4)	0.59

GA: geographic atrophy; ETDRS: early treatment diabetic retinopathy study; OCTA: optical coherence tomography angiography