These conditions are available, but (I'm pretty sure this is the same in Java, by the way) you put them in the wrong order. Its >= and <=
If you are interested, look up OCULUS in the forum, it's a piece of algebraic logic that stores a certain eye (version I focuses on the object closest to eye5, version II focuses on the nearest object). This sets .focuseye, then you can read that value through .eyef, this is handy as usually a bot will 'read' through eye5, but OCULUS lets you read through other eyes.