“…12,13 Obstructive sleep apnea has been associated with a variety of ophthalmic conditions including glaucoma, 14,15 nonarteric ischemic optic neuropathy, 16,17 floppy eyelid syndrome, [18][19][20][21][22][23][24] retinal vein occlusion, 25 and keratoconus. [26][27][28][29] Floppy eyelid syndrome, a disorder marked by easily everted upper eyelids and papillary conjunctivitis, has also been linked to obstructive sleep apnea and keratoconus. 26,[30][31][32] Keratoconus has been linked to obesity, 33 although one study reported that keratoconus was associated with a lower body mass index (BMI).…”