A new, faster-driving version of its 18-135mm f3.5-5.6 IS STM lens is accompanied by an accessory that provides a zoom control for the lens. I've been reviewing hardware and software, devising testing ...

Nearly three million cataract surgeries are performed every year in the United States. The majority of patients must wear prescription glasses after the procedure to see properly. But a new technology ...

Please provide your email address to receive an email when new articles are posted on . The Light Adjustable Lens performs well in post-RK eyes, with good results that remain relatively stable over ...