The phrase "sees light" can be interpreted in different ways, depending on the context. If we take it as a verb phrase meaning "to understand or realize a situation," some antonyms could be remain in the dark, misunderstand, or overlook. On the other hand, if we consider "sees light" as a noun phrase meaning "an opportunity for improvement or hope," some antonyms could be dead end, setback, or disappointment. In any case, the choice of antonyms depends on the intended meaning and the context in which the phrase is used. Though, understanding the antonyms can also help to expand our vocabulary and enhance our understanding of the language.