Sight is the ability to percieve the supernatural that practitioners have. The awakening ritual that strips practitioners of their ability to lie gives the this in exchange, allowing them to see things like ghosts, spirits, and connections with less trouble.
Practitioners can useually train their sight so it focuses on elements relating to thier particular school. Some practioners can be easily distracted.
↑With my newly acquired second sight, I could make out the spirits that infused everything. Just as I might focus my eyes, I could focus this sight. I could train it. According to Essentials, some practitioners would train their sight to focus on things better suited to their talents. Imagery would take hold. - Damages 2.1