A 43-year-old man suddenly experienced severe vision loss, only able to distinguish the outline of his hand, a condition that threatened acute blindness.
Mr. Quan, 61, experienced blurry vision in his left eye for over a year. A small dark spot in his central vision gradually expanded, leading to a cataract diagnosis.
Doctors at Tam Anh General Hospital in Hanoi turned off all the operating room lights to focus light onto a 79-year-old patient's eye during a complex surgery.
