اللَّهُمَّ عَافِنِي فِي بَدَنِي، اللَّهُمَّ عَافِنِي فِي سَمْعِي، اللَّهُمَّ عَافِنِي فِي بَصَرِي، لَا إِلَٰهَ إِلَّا أَنْتَ
Allahumma 'afini fi badani, Allahumma 'afini fi sam'i, Allahumma 'afini fi basari, la ilaha illa anta
O Allah, grant me wellness in my body. O Allah, grant me wellness in my hearing. O Allah, grant me wellness in my sight. There is no deity but You.
Recite every morning and evening 3 times
This dua asks Allah for protection and wellness of the body, hearing, and sight - three of the greatest blessings.