摘要
Citation:Gong M,Hui YN,Du HJ.A rare case of severe toxic optic neuropathy induced by formaldehyde vapor under working in mushroom cultivation room.Int J Ophthalmol 2021;14(12):1993-1996 Dear Editor,We are writing this letter to present a rare case of severe toxic optic neuropathy induced by formaldehyde(FA)vapor under working in mushroom cultivation room.Since such circumstance exists popularly in rural China,this case warns us to pay more attention to avoid similar cases.A 49-year-old male complained of bilateral vision loss after continuous working for 11h in an air-tight greenhouse filled with FA vapor on 03/15/2018.Soon after work,the patient felt weakness,dizziness,and nausea.Instead of asking for medical consultation,he went home to sleep.The next day,the patient was found to be in a coma with dyspnea and was taken to the local hospital by his family.His blood pressure waved around 70-80/50-65 mm Hg,and then maintained at 100/80 mm Hg by catecholamines.He was diagnosed with acute FA poisoning,pulmonary edema,metabolic acidosis,respiratory alkalosis,and hypotension and was given symptomatic relief and supportive measures.
