Retinal occlusion after vaccination with vector, RNA, subunit and inactivated COVID-19 vaccines
A 13-year-old boy presented to the hospital with a complaint of painless diminution of vision in the left eye for 2 weeks. It started 15 days after taking the first dose of Corbevax COVID-19 vaccine. Corbevax, also known as BACOV2A, is a recombinant protein subunit vaccine approved for emergency use in India o n 28 December 2021. Fundus fluorescein angiography of the left eye showed a delay in venous filling in the early phase of angiogram and blocked fluorescence corresponding to the areas of hemorrhages revealed by fundus examination. The patient was administered three doses of pulse corticosteroids followed by a tapering dose of oral corticosteroids. A t 6 weeks follow-up, fundus revealed complete resolution of the retinal hemorrhages and disk edema. A 44-year-old otherwise healthy male presented with sudden painless vision loss in his left eye 10 days after receiving i nactivated vaccine Covaxin/BBV152 . Fundus examination revealed arterial attenuati...