The prevalence of poor eyesight that can’t be corrected with glasses or contact lenses has gone up in the US. The regular national survey conducted between 1999 and 2002 reported a prevalence of 1.4% (95% …
Get access to this article and to all of thebmj.com for 14 days.
Sign up today for a 14 day free trial.
Access to the full version of this article requires a subscription payment.