Spectacle screws: How to stop them coming lose?
Graham. wrote:
What's the best way of locking them in that won't invalidate
your guarantee from the optician?
Why don't they do this for us?
If I don't tighten the screws on my varifocals on a
weekly basis the RH lens drops out!
I had that problem, too - my current ones don't have any screws!
They're flexible, lightweight titanium.
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