Table 2.

Positional strategies to prevent increased IOP in STP.

Author—Year	Type of Strategy	Explanation
Ghomi et al. [35]—2012	TP reduction	Using 16° TP for RAGS
Raz et al. [28]—2015	Modified Z Trendelenburg position	Patients’ head and shoulder positioned at the same level in RALP
Molloy et al. [58]—2016	LSI	Periodic rest periods in supine position for urological, colorectal and gynaecological laparoscopic procedures

Abbreviations: STP (steep Trendelenburg position); TP (Trendelenburg position); IOP (intraocular pressure); robot-assisted laparoscopic prostatectomy (RALP); robotic-assisted gynaecologic surgery (RAGS); Level Supine Intervention (LSI).