India, Oct. 30 -- A 71-year-old farmer in South Korea who visited a hospital for cataract surgery was found to have 11 live parasitic worms in his eyes, including some that had already begun reproducing.

(Also read: Woman says she returned from India with a metre-long tapeworm and 38 parasites in her brain)

According to Gizmodo, the man had been experiencing redness, blurred vision and a persistent feeling of something being stuck in both eyes for nearly two months.

The unusual case was documented by doctors at Kangwon National University Hospital and published in the New England Journal of Medicine on October 24.

The farmer had initially approached the hospital seeking cataract surgery. However, during an examination, doctors noticed...