| ASA | American Society of Anesthesiologists physical status |
| BF | Breathing frequency |
| CSB | Clinically significant bradypnea |
| HFNO | High-flow nasal oxygenation |
| LFNO | Low-flow nasal oxygenation |
| MMAS | Moderate multimodal analgosedation |
| PPV | Pars plana vitrectomy |
| PSI | Patient State Index |
| REA | Regional eye anesthesia |
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