To Evaluate the Effect of Chronic Obstructive Pulmonary Disease on Retinal and Choroidal Thicknesses Measured by Optical Coherence Tomography

Table 1

The age, refractive error, best-corrected visual acuity, axial length, and spirometric measurements of the study group.

	Control		Patient
	N	Mean ± SD	N	Mean ± SD
Age (years)	26	58.19 ± 8.94	26	61.69 ± 7.2	0.126
Refractive error (D)	26	−0.68 ± 0.28	26	−0.54 ± 0.80	0.405
BCVA (logMAR)	26	0.00	26	0.00	1.000
Axial length (mm)	26	23 ± 2.25	26	22 ± 2.23	0.114
FEV1 (lt)	26	2.90 ± 1.02	26	1.27 ± 0.44	0.001
FVC (lt)	26	3.49 ± 1.05	26	2.36 ± 0.61	0.001
FEV1/FVC ratio	26	78.90 ± 4.11	26	53.18 ± 10.55	0.001

: independent samples t test was used; FEV1: forced expiratory volume in 1 second; FVC: forced vital capacity; D: diopter; BCVA: best-corrected visual acuity.