Sees in a new light implies a shift in perception, understanding, or perspective. Antonyms for this phrase would be phrases that connote stagnation, rigidity, or a lack of flexibility. Some of the antonyms could be "close-minded," "unchanging," "inflexible," "static," "narrow-minded," or "unchangeable." These phrases indicate that someone is unwilling or unable to approach a situation or an idea in a new way or to consider new information. By contrast, seeing something in a new light involves looking at a familiar issue with a fresh, open mind, and an eagerness to learn, adapt and evolve.