Same as the UK as in all prices vary depending what you want
To give an idea, the optician I use in
Marmaris charged me 220 euro for a pair of prescription glasses that I need for the pc (office glasses they are called)
A shop on the sea front in Marmaris just around the corner started at 500 euro for the same ones
Here are the make I got and they are definitely the best specs I have ever had
http://www.silhouette.com/en/en/theicon ... tAodjlAAWw