"Unfortunately, 90 per cent of patients lost some degree of vision due poor follow ups, during the first and the second wave of Covid, especially the ones suffering from wet AMD (Age Related Macular Degeneration). These patients mostly missed taking their Intravitreal injection, owing to which the diseases progressed rapidly," Dr Ajay Dudani, CEO Vitreoretinal Surgeon, Mumbai Retina Centre, told IANS.