Question

without me you are blind once you touch me,you see right What am I ?​

Answer 1

Answer:

a week, you can only see me once....

I am the first on Earth,

The second in Heaven,

I appear two times in a week,

you can only see me once in a year

Although I am in the middle to the sea.

What am I?

Answer 2

Answer:

light is this right answer