The woman had no signs of infection and very limited pain that she associated with old age. A variety of factors can cause problems for people who use corrective lenses, such as failing to remove them during sleep. Keratitis, for example, is a common infection that can potentially scar the cornea if lenses aren't used properly. According to US National Library of Medicine, “adverse effects due to contact lens wear can be acute or chronic in nature and can span the range from a mere annoyance to a disabling condition that results in permanent ocular damage or loss of the eye.” This woman, however, experienced none of that, despite nearly 30 contact lenses wedged in her eye for an undetermined amount of time.
Morjaria, who authored the article in BMJ, said she publicized the event to show other doctors that something so bizarre was even possible, let alone without causing pain or infection. “Contact lenses are used all the time, but if they are not appropriately monitored we see people with serious eye infections that can cause them to lose their sight,” she told OT. The woman’s surgery was postponed given the increased chance of infection.