Table 1. Characteristics of Cases and Controls for Serous Retinal Detachment, Retinal Vascular Occlusion, and Ischemic Optic Neuropathy.

Characteristic	No. (%)
	Cases (n = 1146)	Controls (n = 4584)
Age, mean (SD), y	64.6 (13.3)	64.6 (13.3)
Follow-up, mean (SD), y	3.8 (3.5)	3.8 (3.5)
Hypertension	282 (24.6)	408 (8.9)
Smoking	112 (9.8)	426 (9.3)
Diabetes	437 (38.1)	1196 (26.1)
Coronary artery diseases	414 (36.1)	1100 (24.0)
Sleep apnea	178 (15.5)	486 (10.6)