Client misled

I have been a client with Specsavers since 2007, not impressed with the kind of information I received from Specsavers. Same company but operating differently, I was made pay for trials contact lenses as I am a first user, I visited two Specsavers as I was told that you don't pay from trials only pay for eye test which my medical aid covers that.

I want the honest truth how does Specsavers operate if I am I first time user and been offered free contact lenses to try, do I pay 319 for trials or what.