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How To Select The Darkness (Density) Of Sunglass Lenses

John White | Jan 7, 2020

As a pilot I am always considering what is the correct darkness (density) of sunglass lenses is correct for my flying conditions.General purpose sunglass lenses will have VLT (Visible Light Transmittance) values of between 15 and 20%. VLT is the amount of light the lens tint allows to reach your... View Article

How To Buy Sunglasses Online

John M. White | Jan 30, 2013

To start with it is important to understand the terms used for defining a pair of sunglasses. These are as follows:Eye Size - this refers to the horizontal width of the lens in the sunglasses frame expressed in millimeters;Bridge Size - this refers to the distance between two lenses at... View Article