Hi Dominika,
From my understanding, the Uranus opposition which occurs at about 41-43 years of age is typically experienced as a mid life crisis. In a general sense, the transit reflects the need to "throw off" (opposition) dynamics that have become crystalized, outdated, and are creating stagnation. In essence, it is to objectify (Uranus) one's own conditioning patterns(Saturn) in order to liberate and reconfigure those patterns/structure- to reinvent oneself.
Most often, at mid life, the Soul tires of a certain lifestyle, conditions, etc and desires to change or alter those conditions. The temptation of this transits most often is to escape or avoid ones responsibilities (Saturn) because of feeling limited or trapped. The underlying need is to objectify why we have structured or built our lives in a specific way so that we can then accept the responsibility for our life conditions, and then "throw off" outdated conditioning patterns. These are the general intentions of the Uranus opposition, and of course must be interpreted in the context of the natal chart as a whole. Let me know if this makes sense.
Namaste,
Deva