The antonyms for the phrase "bad eyes" can include a variety of terms that reflect good or improved sight. Some of these antonyms may include phrases such as "perfect eyesight," "sharp vision," "clear vision," or simply "good eyes." Other possible antonyms for "bad eyes" might include terms such as "healthy eyes," "strong eyes," or "eagle-eyed vision." Any of these antonyms could be used to describe vision that is either normal or better than normal, indicating an absence of any visual problems or impairments. By contrast, "bad eyes" may refer to a wide range of visual issues, from nearsightedness and farsightedness to diseases or injuries that impair visual function.