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The normal human crystalline lens has the ability to filter the high energy blue light in order not to cause harmful impacts on the delicate retina as a disease known as age related macular degeneration.
Unfortunately, this feature is lost when the cataractous lens is extracted during cataract surgery and replaced by a synthetic IOL.
The bioadhesive technology allows for rapid adhesion between the IOL and the posterior capsule owing to the properties of the materials used in manufacturing the Acrysof Toric IOL.
The IOL is made of a polymer that has ultraviolet and blue light filters thus enabling extra protection to the delicate retinal tissue.
This means “A better quality of vision than what could be achieved with a conventional lens and with an effect that would not be lost or diminished through decentration”, according to what has been told by Louis D Nichamin MD in the annual meeting of the American Society of Cataract and Refractive Surgeons.
Today, IOLs are used widely in cataract surgery, but prior to 1945, cataract patients were left aphakic (a state in which the human eye has no lens inside it, mostly due to surgical removal).
Patients had to wear very heavy eye glasses in order to see again.
The unique design of the IOL allows for reduction of chromatic aberrations compared to other IOLs.
: The Acrysof monofocal lens implant is produced by Alcon Laboratories.
Thanks to Sir Harold Ridley, the inventor of the first synthetic lens implantable inside the human eye, that misery is no longer a horrible option to consider for cataract patients.