In reply to Rob Exile Ward:
> You've explained that much better than me but you're absolutely correct.
Probably not 100% correct.
If you need them for work and life outside work the HMRC would probably have to accept a "reasonable proportion " of use and cost for tax purposes.
The monovision option (different focal length lens in each eye ) is legal for driving ( I hope ) . The wife prefers it, at least she can see the speedo. Also plenty of folk with one eye driving.
Being short sighted is at last an advantage in older age ( I'm 62). I prefer the better field of vision with standard specs, and can see down to placing a Rock 1 without trouble in good light, the RPs need looking to the side of the lens.
Also apparently your short vision improves with ageing eyes, I can almost manage without now for distance.
I had a real fight getting " intermediate" glasses, after several years the optician said " ah , you mean occupational glasses ?" Too late, I had already started using some older prescription ( weaker ) reading glasses for intermediate work.
What I really want, instead of often taking my distance glasses off, is some "Flip Frames". Never found any,apart from clip on sunglasses, in the UK. An American web site has some but I don't think they got to commercial production.