Not as 100% of the process, but you can print a blob that is 90% of the shape of your lens and grind the rest of the material away as you would have to with nor

Not as 100% of the process, but you can print a blob that is 90% of the shape of your lens and grind the rest of the material away as you would have to with normal lenses. I've seen people do it. It's labor intensive, but less so than starting with a regular lens blank.