Children and Covid: The indirect impact of Covid-19 on children is now becoming noticeable: dry eyes, speech delays, Vitamin D deficiency, temper issues and poor sleep. The sedentary lifestyle, experts say, has begun having its impact on toddlers. Mental health development of those aged under 5 has been especially hit. Increased screen time, meanwhile, is leading to back and neck pain and dry eyes — a condition where the eyes hurt and turn red from increased exposure to the screen — in more number of children than noticed before. Perhaps the most noticeable change is behavioural issues including increased irritability