Yes you are correct, It is a spritual Eye not materialistic eye.

The Chakra name is Ajna Chakra (Third Eye, Brow Chakra)

Location: Center of the forehead

Colour: Indigo, Midnight Blue

Goals: Accurate interpretation, imagination, clear seeing

Excessive Characteristics: Headaches, nightmares, hallucinations,
delusions, difficulty concentrating

Deficient Characteristics: Poor memory, poor vision, denial

Refer the following link "http://www.indiayogi.com/kundalini/symbols.asp" to know more

Parts of the body: This Chakra is associated with the forehead and
temples, with the carotid plexus.

Sense: Sense of Perception of all inner senses.

Endocrine Gland: Pituitary Gland

I understand the trying to hard. I do that sometimes too. But when I am really relaxed and not concentrating so hard it just flows!