Proverbs regarding eyes, sight, vision
Let your eyes look directly in front of you and let your gaze look straight before you.
Prov. 4:25 (read whole chapter)
Give me your heart, my son, and let your eyes observe my ways;
Prov. 23:26 (read whole chapter)
The eye that mocks at a father and despises obeying a mother - the ravens of the valley will peck it out and the young vultures will eat it.
Prov. 30:17 (read whole chapter)