SHIMMER PHOTOCHROMIC GREY
The grey glass photochromic lens has three colours integrated into the lens: grey, green and aqua. Where most grey lenses tend to flatten colour out, the Tonic grey lens defines colour. This lens is photochromic so it darkens or lightens constantly changing to suit the on ambient light conditions. This lens has been developed to give the highest quality, That’s the difference between Tonic and any other grey lens on the market. Just like all the Tonic lenses, the clarity is overwhelming.
VLT 19% to 15% Visual Light Transmittance
All Tonic Eyewear frames are made from TR90 Grilamid optical grade material. They are all tough and lightweight. Our frames are designed to be comfortable and optimise block out of sunlight. Any non TR90 components are nickel or stainless steel to prevent rusting.
The SHIMMER style lens is excellent at blocking light from outside the lens area. Please note: while shipping is included in the price, currently we mail these from Malaysia!