"We were really surprised that the patient didn't notice it because it would cause quite a lot of irritation while it was sitting there."
The woman had worn disposable contact lenses for the past 35 years but had not attended regular optometrist appointments.
Unfortunately for the pensioner her cataract operation had to be postponed following the surprising discovery.
Ms Morjaria emphasised that publishing the report was important for raising awareness among the general public.
Surprisingly, the patient had not reported any symptoms of the missing contact lenses.
Because the lenses were behind the woman's eye for so long, it meant a large amount of bacteria had built up around her conjunctiva.
The case, which took place last November, was published in the British Medical Journal.
It had previously been thought not possible to retain so many contact lenses without more severe symptoms.