noun
mask squeeze
Diving term: facial barotrauma caused by failure to equalize mask pressure during descent, leading to capillary rupture and bruising around the eyes.
ダイビング中にマスクスクイズを起こさないように、鼻から息を出してマスク内の圧力を調整する。
To avoid mask squeeze while diving, equalize the pressure inside your mask by exhaling through your nose.