I'm not sure about the characteristics of the two sights you mention. However, if the purpose of the weapon is close combat or hunting at short ranges, I'd rather have a wide field of vision with no magnification because you can acquire the target faster.
When using the M68 sight (an Aimpoint for the purposes of this thread) on the M4 Carbine, we made everyone practice with the front lens cover on. That way you have to shoot with both eyes open. That's about as wide a field of vision as you are going to get.
It also helps you from getting so focused on the target that you lose track of what's going on around you - which can also be bad.