Exhale while lifting or straining to avoid Valsalva retinopathy or bleeding from stressed retinal vessels.
Romano
Paul E
PE
D006801:Humans; D017770:Lifting / Q000009:adverse effects*; D012008:Recurrence; D012119:Respiration; D012166:Retinal Hemorrhage / Q000209:etiology / Q000517:prevention & control* / Q000601:surgery; D012167:Retinal Perforations / Q000209:etiology / Q000517:prevention & control* / Q000601:surgery; D012171:Retinal Vessels; D014636:Valsalva Maneuver