Researchers located at Stanford University have worked to create eye-tracking glasses, which can automatically focus on what the wearer is looking at. The design was outlined in a paper that was published to a journal titled Science Advances. The lenses could provide people with a better visual aid than transition or progressive lens designs.
The creators of the glasses note how as time goes on, peoples' ability to refocus their eyes based on distance degrades. This a common condition which is called presbyopia and it generally occurs around the age of 45. The eye-tracking glasses could help users when refocusing their eyes to different distances.
The glasses were made with human eye lenses in mind. The lenses are filled with fluid which can expand and contract as was change what they are looking at.
Image Credit: Stanford University