Hear Milton out.
The blind poet asked God what he could do for Him. The answer:
“God doth not need Either man’s work or His own gifts. Who best Bear His mild yoke, they serve Him best. His state Is kingly: thousands at His bidding speed, And post o’er land and ocean without rest; They also serve who only stand and wait.”
Seems that would go for the rest of us, physically blind or not. A reminder to hang loose while doing the best we can.
Blithe Spirit 