וַיֹּ֣אמֶר אֲלֵיהֶ֗ם נָחָשׁ֙ הָעַמּוֹנִ֔י בְּזֹאת֙ אֶכְרֹ֣ת לָכֶ֔ם בִּנְק֥וֹר לָכֶ֖ם כָּל־עֵ֣ין יָמִ֑ין וְשַׂמְתִּ֥יהָ חֶרְפָּ֖ה עַל־כָּל־יִשְׂרָאֵֽל׃
And Nahash the Ammonite said unto them: ‘On this condition will I make it with you, that all your right eyes be put out; and I will lay it for a reproach upon all Israel.’
Read halakhic rulings (Jewish law) on I Samuel 11:2: and classical halakhic sources.