HYDERABAD - The Medical Superintendent of Sindh Institute of Ophthalmology and Visual Sciences Hyderabad Prof Dr Aziz Qureshi died of COVID-19 during treatment in the ward of Liaquat University Hospital (LUH) here on Friday. He was admitted to the hospital with severe complications earlier this week, a hospital official said. He told that Dr. Lal Muhammad Bux also breathed his last during treatment in the same ward on Friday.