Engineers have developed smart glasses that automatically focus on what the wearer sees, potentially improving the experience for people with vision problems or who want to use them for augmented reality applications.

The glasses, developed by a team at the University of California, Berkeley, use a combination of sensors, including a small camera, an eye tracker, and an accelerometer, to track the wearer's gaze and adjust the focus of the lenses accordingly. This means that the wearer does not need to manually adjust the focus of the glasses, which can be difficult for people with certain eye conditions or when using the glasses for augmented reality applications that require precise focus.

The glasses also include a small display that can be used to overlay digital information on the wearer's field of view, making them suitable for augmented reality applications such as gaming, navigation, and education.

The researchers say that the glasses could potentially be used to help people with vision problems such as nearsightedness, farsightedness, and astigmatism, as well as for augmented reality applications. They are currently working on improving the accuracy and speed of the focus adjustment, as well as reducing the size and weight of the glasses.