But what doctors at Solihull Hospital in the UK found to be the real cause of her discomfort was much more concerning: 27 contact lenses, stuck in the woman's right eye in a "blue mass."
The incident was described in an article published in the BMJ earlier this month.
Rupal Morjaria, a specialist trainee in ophthalmology and author of the paper, said the woman hadn't complained about any visual trouble before the operation.