Association of asymmetrical normal tension glaucoma, obstructive sleep apnoea and side sleeping.
Tun Tin A, Tan Nicholas Y Q, Tan Royston K Y, Syn Yamon Thant, Chan Hiok Hong, Yu Qing Chang et al.
This study linked asymmetrical NTG-OSA to side-sleeping, finding reduced optic nerve head blood flow in the lower eye during side-lying, suggesting a positional role in glaucoma progression.