Ray Ban.
Here's a slightly more scientific, and well knowledgeable, opinion on Specsavers lenses:
A qualified optometrist.What is the source of this opinion and is there some site which explains the differences between different lenses available from different shops?
A qualified optometrist.
Not that I know of, I'll try and find out for you though.
Here's a slightly more scientific, and well knowledgeable, opinion on Specsavers lenses: