80% blindness caused by avoidable factors, says NOA

The Nigerian Optometric Association has said over 80 per cent of blindness are due to avoidable causes. The President of the association, Dr Obinna Awiaka, at a briefing organised in Lagos to commemorate the 2021 World Sight Day, said 2.2 billion people suffer visual impairment or blindness worldwide. Awiaka noted that one billion of cases…

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