Transition Lenses
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Transitions is actually a brand name of a Photocromic Lens. Although transitions are probably the most advanced photochromic lens on the market there are many others out there.
People call Photochromic lenses by all different kinds of names such as Transitions, Reactolite, Reactions and I’ve even heard them called Graduations. However, they are all Photo chromic lenses.
Photochromic lenses are clear lenses that react with UV and produce a tint effect based on the amount of UV present.
When wearing Photochromic lenses even a dull day some reaction will occur producing a very pale tint and then on a very bright day where more UV is present they will turn quite dark. When wearing them indoors they will become clear.
The idea behind photochromic lenses is that they will provide the correct amount of protection for the varying light conditions you experience. However, when driving, your car windscreen will block a certain amount of UV which is required to make the lens react so they will not work as well as they would outside of the car.
The Two Most Common Photocromic Lenses
Transitions Lenses
Transitions are available in Standard Plastic, Poly Carbonate, 1.6 and 1.67 Lenses. They are the fastest reacting lens on the market and will react into sunglasses within 30 seconds. However, they will take longer than that to go clear again when you go inside.
Reactolite Lenses
Reactolite is a brand name given to a Glass photochromic lens. They do not react as well as the transitions and are much heavier to wear. However, one good thing about glass reactolite is that they work much better behind a car windscreen than the transitions do. (If only we could have the best of both worlds.)
In most cases the Transitions lens is the preferred option due to the over all comfort and performance.
Photocromic lenses are ideal in the sense that they can save you having to purchase two pairs of glasses ie, Clear glasses and a pair of Sunglasses. However, many people who wear transitions also have a cheaper tinted pair just to use in the car.
Please feel free to leave your questions in the comments box and I will try my best to answer them for you.
Tags: Photochromic, Reactions, Reactolite, Transition Lenses, Transitions
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September 7th, 2007 at 2:38 pm
Can you supply photochromic multi-focal glasses which emply a plastic clip-on bridge? These are fitted to my present (Reactolite)frames to lessen the impact load on the nose bridge and distribute the load more widely.
September 7th, 2007 at 10:24 pm
Hi, could you please tell me if you do varifocals in transition glasses and how much would they cost i ethink they will be expensive.
many thanks
Jane Hedley
September 17th, 2007 at 5:08 pm
Thank you
Yes we can make varifocal lenses with transitions. Transitions are £40 extra.
Many Thanks
Mark Bowden
September 17th, 2007 at 10:04 pm
I was totaly impressed with specs4less service especially as I supplied the wrong prescription details and was sent glasses with incorrect lenses. I phoned and explained the problem and was told very politely to just email the correct prescription and send back the glasses. Less than a week later I received my new glasses which were perfect in every way and at no extra cost. Thank you specs4less, I am recommending you to everyone I know who has to wear specs.
PS And the snooker glasses have definitely improved my playing.
Thank you once again.
Clive Barrett
September 26th, 2007 at 2:36 pm
Pity i did not know of you earlier am awaiting my new specs from D&A
standard varifocals lens and standard frame £189 + £60 for transitions.
October 4th, 2007 at 10:03 am
Is it possible to buy transition lenses which range between a tint (rather than completely clear)when indoors and a much darker tint (as sunglasses) when out of doors?
November 25th, 2007 at 3:19 pm
I have one weak eye, with a mainly peripheral vision which needs a thicker lens and have worn varifocal lenses which are thinned{glazed?)and with reactolite. This has always made my glasses quite expensive. (Last year I started to develope a cataract in my strong eye and have been told to have a re-test evey year.) Would you be able to cope with my prescription or would it be too complicated, and almost as expensive as going to the normal opticians where I get 1 to 1 care?
August 10th, 2008 at 12:46 am
I’m really disappointed with my transitions, the optician told me they were the best thing since sliced bread but when I got behind the wheel of agricultural equipment they didn’t work and this is in Australia miles from anyone. Fortunately I took my sunglasses and as clumsy as the combination may have looked the sunglasses when fitted over my glasses held the fort till I came home again. I was then told by the same optician that transitions wont work behind safety glass. The same applies for normal driving too, so unless I take my ’shades’ with me the headaches continue. And the optician still doesn’t as far as I am aware, carry the right size of clip ons. I remain very disappointed with them.