Use 'eyeful' when describing a scene that overwhelms the vision with its beauty or vastness. The fireworks display gave us quite an eyeful.
Pro Tip 2/3
Positive Experience
'Eyeful' often implies that the view was pleasing or worth seeing. Visiting the art exhibit, we certainly had an eyeful of magnificent pieces.
Pro Tip 3/3
Not Literal
'Eyeful' doesn't mean the eyes are literally full, but it's an expression for seeing a lot. The zoo was incredible, and we got an eyeful of exotic animals.