Square-shaped blue light cut glasses made of TR90 material, providing comfortable vision. - Frame Material: TR90 - Lens Type: Blue light cut - Design: Square - Size: Standard size Thank you for viewing. These are non-prescription fashion glasses. I have used them a few times for fashion purposes, but there are no major scratches on the lenses or frame. These are used items stored by an individual, so please refrain from purchasing if you are concerned.