First of all, I would like to apologise for my English and I hope my question will be clear (even if I guess it is a quite basic question).
Let's assume a person is in a closed room lighted by a light bulb. This person is looking at a white wall. The other wall are painted with different colours.
The light bounce on every wall even if lots of the photon are absorbed by these walls.
If we consider the geometrical model of light I understand that the person will clearly see the wall in front of him and assuming light rays do not interact with each other he will just (only be able) to see the wall in front of him, i.e. (light rays in his cone of vision).
If we now consider wave optics, I do not understand why the light waves reflected by the wall the person is looking at do not interact with the light waves reflected by the three other wall. If it was the case, how is is possible that we only see the wall in front of us (or the person can see really accurately an object placed in front of the wall) ?
Thank you for your help.