Patient: Description of condition (onset, main symptoms, hospital visited, etc.): Hello doctor, my mother suddenly lost her sight for more than an hour and then saw again. She is in her 60s and has diabetes.
Zhou Yingming, Ophthalmology, Shanghai Ruijin Hospital: This temporary blindness or black haze may be related to retinal vasospasm or thrombotic blockage. She is advised to check fundoscopy, lipid blood viscosity, carotid artery and posterior ophthalmic artery Doppler, and head CT. diabetic complications can be laser, and blood vessel obstruction or spasm can be treated with blood-activating drugs.