Third-Eye /Mid-Brain: First eye or third eye ?!

Yes, the pineal gland has a retina, cornea and lens!  hence it can very well be called as an eye! 
We talked about the pine-cone shaped pineal gland and couple of videos referring to it as the "seat of the soul". 

What you need to know about the PINEAL GLAND and the secret to PSYCHIC ABILITIES

How to Open Your Third Eye Chakra   
​from Infinite Waters