Bacterial infections are a constant problem for those who use contact lenses, because the bacteria settle on the surface of the lens, forming a biofilm that favors the development of the colonies which have adverse effects ranging from simple irritation to diseases that can impair vision. Now, however, the ophthalmologists at the University of Texas proposing to "Investigative Ophtalmology" a new substance to clean the lenses that tests conducted on animals has proven safe and effective: the DNA asi. This is an enzyme that degrades the bacterial DNA replication, thereby preventing germs. The formation of biofilm on the lens is reduced by 80% and the presence of corneal infection of 40.
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