The eyes can be affected causing visual impairment and at worst blindness

Can you repeat this sentence, but add in punctuation?
The eyes can be affected causing visual impairment and - at worst - blindness.
Why IT as you know it is dead and long live the citizen developer xComputer

Can you repeat this sentence, but add in punctuation?
Why IT as you know it is dead (and long live the citizen developer) | xComputer
You used the right rear axle shaft or shorten the front

Can you repeat this sentence, but add in punctuation?
You used the right rear axle shaft or shorten the front?