1 Samuel 11:2
2. thrust out all your right eyes—literally, "scoop" or "hollow out" the ball. This barbarous mutilation is the usual punishment of usurpers in the East, inflicted on chiefs; sometimes, also, even in modern history, on the whole male population of a town. Nahash meant to keep the Jabeshites useful as tributaries, whence he did not wish to render them wholly blind, but only to deprive them of their right eye, which would disqualify them for war. Besides, his object was, through the people of Jabesh-gilead, to insult the Israelitish nation.
Amos 1:13
13. Ammon—The Ammonites under Nahash attacked Jabesh-gilead and refused to accept the offer of the latter to save them, unless the Jabesh-gileadites would put out all their right eyes (1Sa 11:1, &c.). Saul rescued Jabesh-gilead. The Ammonites joined the Chaldeans in their invasion of Judea for the sake of plunder.
ripped up . . . women with-child—as Hazael of Syria also did (2Ki 8:12; compare Ho 13:16). Ammon's object in this cruel act was to leave Israel without "heir," so as to seize on Israel's inheritance (Jer 49:1).