Question

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

Answer 1

Explanation:

It could be a Flash light.

it's your friend@meera

Answer 2

$\huge\underline{\underline{\bold{\red{ᴀ}\green{ɴ}\blue{s}\pink{ᴡ}\orange{ᴇ}\purple{ʀ}}}}$

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

$\implies\sf{Flash \: light}$