Dr Bobby Korn, who treated the man after the accident, said while the optical nerves are the same as any wire that conducts electricity, the reason these unusual scars sometimes form is not fully understood.
"In this case, the extreme current and voltage that passed through this important natural wire caused damage to the optic nerve itself," Dr Korn said.
In animal studies, when electricity damages an eye lens small bubbles called vacuoles form on the outside of the lens which then form together as the star-shaped cataracts, Dr Korn said.
...
The electrician underwent surgery four months after the accident, implanting new lenses which gave him a slight improvement.
Unfortunately, 10 years later the man still has poor vision.
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