Elon Musk says a third person has received an implant from his brain-computer interface company Neuralink.

Even children going back to class face-to-face will be spending more time on computers than ever before. That has a lot of parents wondering, what will the impact be on children's vision? "The more common issues are short term, what we call eye strain, digital eye strain, if you will. "After 20 minutes of screen time, you should look at something, at least 20 feet away for 20 seconds. While some parents have put off routine eye exams because of concerns about COVID-19, Rao says it's important to get any issues evaluated quickly.