Kenpachi removes his eyepatch and releases his full power to destroy the sphere.
From the en.wikipedia.org
However, this usage of the eyepatch is not supported by any historical records.
From the en.wikipedia.org
Talk like a pirate or wear an eyepatch to receive a free original glazed doughnut.
From the kentucky.com
Dayan lost an eye and forever after wore the eyepatch that was his trademark.
From the newscientist.com
As a result I picked up a horrible infection and had to wear an eyepatch for a week.
From the dailymail.co.uk
The colors and eyepatch fade, the GnRH cells in the brain shrink and so do the gonads.
From the sciencedaily.com
Nelson is portrayed without an eyepatch, but is unidealised by the standards of the time.
From the en.wikipedia.org
An eyepatch or eye pad is a small patch that is worn in front of one eye.
From the en.wikipedia.org
She is surrounded by pirates and wenches and is soon joined by Eve, wearing an eyepatch.
From the en.wikipedia.org
More examples
A protective cloth covering for an injured eye
An eyepatch or eye pad is a small patch that is worn in front of one eye. It may be a cloth patch attached around the head by an elastic band or by a string, or an adhesive bandage. ...
Used by pirates to cover the loss of an eye or blindness, or to intimidate foes.
Zaraki Kenpachi's. Invented by the Intitute of Technological Research to suck out spiritual energy.