The future time of salvation promises a dramatic reversal of fortune for the Israelites, transforming their reality from suffering to profound clarity. The primary approach among commentators is that this transformation is not necessarily about the physical healing of bodily defects, but rather serves as a powerful metaphor for the condition of the nation during their long exile [רד"ק, שד"ל].
The imagery of the blind and the deaf symbolizes a people who had become spiritually numb. For a long time, the Israelites lacked the fear of God and ignored the messages of the prophets [רש"י]. This spiritual block was driven by negative impulses that distracted them from the Torah and its commandments, pulling their focus entirely toward worldly desires [חומת אנך]. In contrast, another perspective views this blindness and deafness as a psychological coping mechanism in response to the harsh realities of exile. Over time, the people grew accustomed to their lowly status, intentionally shutting their eyes and ears to avoid facing their deep humiliation and the insults of the surrounding nations [מצודת דוד].
When the promised salvation finally arrives [שטיינזלץ], this heavy veil of spiritual and emotional blindness will be lifted. The people will step into the light of truth, beginning to truly see the wonders of God's actions and actively listening to the traditions and teachings of the prophets [מלבי"ם]. This great awakening will be triggered by the sheer magnitude of the redemption itself. The miraculous events will deeply impact all who witness them [אבן עזרא], and God will place a renewed and proper spirit within them to revere Him [רש"י].
The specific language used to describe the opening of their eyes simply means that their vision will be restored [מצודת ציון]. However, the exact phrasing carries a deeper meaning, implying the removal of a cover from an ability that is already fully functional. This distinction highlights that the nation never suffered from permanent, irreversible blindness. Instead, their spiritual vision was merely covered, hidden, and dormant, waiting for the moment of redemption to be fully awakened [מלבי"ם].