The truth is, it’s not always easy to tell when it’s time for a new pair of glasses. Vision can change gradually, which can make it hard to spot worsening eyesight, says Jacquie Bowen, OD ...

Following is a transcript of the video. Alex Appolonia: These glasses will cost you $600. They're actually smart glasses called Foc als made by the Canadian startup North. Focals are meant for ...