Higher temperatures can damage the cleaning properties of contact lens solution, wearers have been warned.
According to new research, the antifungal properties of contact lens solution are decreased if storage temperatures reach around 60 degrees C.
The results of the findings were published in the November issue of the Archives of Opthalmology, a JMA/Archives journal.
Failure of contact lens solutions - specifically one produced by Bausch and Lomb during this time - is thought to be a contributing factor in the epidemic of the eye infection fusarium keratitis, which took place between 2004 and 2006.
Manufacturers, transporters, retailers and users have all been advised by the US Food and Drug Administration to ensure they do not let the solution to get warm.
Contact lens solution is essential for ensuring non-daily disposable lenses are free from protein deposits and germs that can cause infection.
Wearers are also advised not to use tap water top clean lenses.
by Emily Tait