6 signs you might need varifocal glasses - Don’t ignore the signs and flag any changes with your local optometrist.

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Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Buying glasses was once ...

Having been a wearer of varifocal glasses for several years, I was heartened by the Taiwanese research using liquid crystals to dynamically switch between near and far visual modes(13 September, p 15) ...