Seeing is a skill fundamental to photography.
The link you gave only touches on the subject.
It is not so much that our eyes see things differently to a camera,
but that if we want to take effective photographs we need to understand the whole process. of seeing.
This is true of all art forms, including all forms of craft and design.
Probably the best way to learn to see is to examine and learn from all forms of art,
by going to as many exhibitions, museums, and displays as possible. covering the widest range as possible.
The Problems we have to solve as photographers, have been expressed in all other art forms down the ages.
Many different solutions have been found, and probably impressionism offers the closest representation to what most photographers are attempting to achieve. While sculptural forms, offer the best way to link lighting with texture and solid forms.
The understanding of the construction of Architectural (perspective) drawings, show the best way to link perspective and space, to point of view.
Seeing is both so easy that we can all do it from birth, but so difficult that few learn to do it effectively in producing images.
