Hi-Vision LongLife (HVLL)

Extend the Life of Your Lenses
From grease and dust to accidental scratches and changing weather conditions, lenses go through a lot. In addition, reflections on lenses can be unpleasant for wearers and distracting to those around them.
About Hi-Vision LongLife
The condition and performance of lenses depend heavily on the quality of the coating. Hi-Vision LongLife is a durable anti-reflective coating available which provides protection against scratches.
In combination with BlueControl or UV Control, Hi-Vision LongLife also protects the eyes against blue light emitted by digital screens or the harmful effects of UV rays. Hi-Vision LongLife benefits are:
Scratches easily
More scratch-resistant versus standard coating
Hard to clean and dirt stains are on the lenses even after repeated wiping
Easy to clean with its dust and dirt repellent properties
Scratch-resistant lenses
Low lens reflection
Water-repellent lenses which keeps lenses dry
Dust-repellent lenses which stay clean longer
Dirt-repellent lenses which are easy to clean