Question

Why doesn't it pain when the needle get inside the Iris of our eye. please get relevant answer​

Answer 1

Answer:

because our eyes are the important part of body all parts are important but eyes are that which can see so

Answer 2

The reason behind it is that there is not any nerve connections in the cornea moreover cornea is one of the unique tissues which does not even have blood vascular connections so it gets its oxygen directly from the atmosphere.

Pain signals are felt from nerve connections so that is the key !