Researchers are developing lenses that can alter their focal length in response to changes in their environment. Hongrui Jiang and Liang Dong provide an insight into the field. If you wear glasses and ...

A two-year clinical study evaluated a novel spectacle lens design that integrates arrays of microscopic lenslets to control eye growth. The findings show that wearing these lenses consistently over ...

Pairing a vintage lens with a modern camera helps bring that older aesthetic to digital photography — and photographers with a flair for the vintage could soon have another lens to choose from. Two ...