I think you will find that totally blind individuals are at peace with the world and themselves. Something us sighted, have yet to attain.
Also although the optic nerve may be non functioning or destroyed, putting pressure upon the eyeballs is communicated directly into the brain, since ones eyes are an extension of our brains. What might be experienced, is a matter for conjecture.
Light sensitive electrodes that are implanted into the brain of a blind person.....allow them to 'see' vague shapes. That the blind person needs to interperet those shapes with anothers help, plus his own touch, into a recognisable external shape, depends upon his brain and skill.
Some people state that they can hear their own blood flowing thru their veins, and heart beats

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"You will never find a real Human being - Even in a mirror." ....Mike Kremer.