Complex sentence: This has long been established as a therapeutic treatment of stereoblind patients should aim at recovering stereo vision as far as possible in very young children, as well as in patients who had acquired but lost their ability for stereopsis due to a medical condition.
Split into simpler sentences: This has long been established as a therapeutic treatment of stereoblind patients. This aims to recover stereo vision in very young children, as well as in patients who had acquired but lost their ability for stereopsis due to a medical condition.