These are prescription lenses. They are left in to prevent the frames from losing their shape, but please be sure to replace the lenses before use. *The prescription strength is unknown and cannot be provided. These are vintage items, so there is some wear and tear, but they are clean without any noticeable scratches or stains. Please check the photos for the condition. I have many other eyeglasses for sale, so please feel free to browse my profile if you'd like.