https://pilpedia.com/vision-20/

Vision 20 Therefore, these techniques are 100% all natural and safe to perform. Lasik Surgery Comes With Risks And Complications: Even though this method of vision correction is considered a miracle cure for eyesight problems for thousands of people, like any other surgery, it comes with risks and complications. In spite of its high success rate the FDA reports that about 10-20% of patients have reported unpleasant side effects such as eye pain, glare, halos around objects, starbursts, dry eye, night vision problems and double vision to name a few. https://pilpedia.com/vision-20/