The process does indeed work but you will need to use the makeup feature to cover the part of the original eye that has been cut off.
So first add an eye template from the library as shown
HERE, Then use the makeup option as described
HERE.
If you then still have problems, please tell us in more detail at which step you are stuck on. Please also try to include a screenshot as this will help greatly. Thanks.
Peter
Forum Administrator
www.reallusion.com