* Eyeball: This is the most common and direct term for the entire organ.
* Eyelid: This refers to the skin covering the eye.
* Eyebrow: This refers to the arch of hair above the eye.
* Eyeglass: This refers to a device worn on the eye for correcting vision.
* Eyepiece: This refers to the lens at the top of a telescope or microscope.
* Eyesight: This refers to the ability to see.
You could also use phrases like eye socket, eye doctor, or eye contact depending on the specific context.
Let me know if you have a particular context in mind, and I can help you choose the most appropriate term!