User talk:2601:2C3:4201:D70:2C11:6822:5A8:AEDB

Copy and pasting
We run "copy and paste" detection software on new edits. One of your edits appear to be infringing on someone else's copyright. See also Copy-paste. We at Wikipedia usually require paraphrasing. If you own the copyright to this material please follow the directions at Donating copyrighted materials to grant license. Doc James (talk · contribs · email) 22:53, 10 February 2020 (UTC)

https://www.allaboutvision.com/eye-exam/refraction.htm