12-18-2018, 06:35 PM
Another way is to make a copy of the glasses from Image1 (make a selection on the glasses) and paste this as a separate layer above Image2. The Unified Transform tool is a good tool to position the glasses correctly. In the image below the layer boundary for the glasses can be seen.
(This is just a quick demo, no cloning or blending done.)
(This is just a quick demo, no cloning or blending done.)