But the soul that is greatly vexed, which goes stooping and feeble, and the eyes that fail, and the hungry soul, will give you praise and righteousness, O Lord.
All Commentaries on Baruch 2:18 Go To Baruch 2
Olympiodorus of Alexandria
AD 570
Their eyes are failing perhaps in a concrete sense, due to misfortune, or perhaps it refers to those whose minds are darkened and do not reason.