For example, you could pick LASIK or PRK with your 30s to appropriate distance vision. Then, when you arrive at your mid-40s plus your in close proximity to vision is affected by presbyopia, you may perhaps comply with up with the "improvement" applying conductive keratoplasty. You may get a multifocal https://share.evernote.com/note/c92069ed-a303-6377-87a3-e81af6f27ec2