Bulb: rounded, onion like (bulb) shape of the eye.
Fundus oculi: the body of the eye or the portion of the eye (oculi) opposite the entrance (fundus), or the pupil.
Globe: rounded (globe) part of the eye. Another name for eyeball.
Oculo: combining form meaning eye.
Ophthalmo-: combining form meaning eye.
Opia, ops: root words meaning a condition of sight .
Optic: pertaining to the eye or sight.