For once I've actually started to read the manual to get to grips with my camera (A7ii) and I came across this...
Does this mean that my camera also has Eye AF, not had time to check the camera yet so thought I would quickly ask on here.
[84] How to Use Using shooting functions Adjusting the focus Eye AF The camera focuses on the subject's eyes while you keep the button pressed. 1. MENU → (Custom Settings) → [Custom Key Settings] → assign the [Eye AF] function to the desired button. 2. Point the camera at a person's face, and press the button to which you have assigned the [Eye AF] function. 3. Press the shutter button while pressing the button. Note Depending on the circumstances, the camera may not be able to focus on the eyes. In such cases, the camera detects a face and focuses on the face. If the camera cannot detect a person’s face, you cannot use [Eye AF]. Depending on the circumstances, you cannot use [Eye AF], such as when [Focus Mode] is set to [Continuous AF] or [Manual Focus], etc. [Eye AF] may not function in the following situations: When the person is wearing sunglasses. When the front hair covers the person’s eyes. In low-light or back-lit conditions. When the eyes are closed. When the person is in the shade. When the person is out of focus.