Whale oil beef hooked! A breakthrough, I can see again ...

[Baal]

Getting some good info here. Luckily, though my eyes are aging fast, I don't much of a problem aiming yet.

One thing I'm not clear on. Do these shooting glasses with the iris also have a lens? Or is it just an iris?

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[Patrick Chadwick]

Do these shooting glasses with the iris also have a lens? Or is it just an iris?

Both:
1) lens for shooting with aperture backsight
2) lens + iris for shooting with open backsight

So I have 3 attachments for the frame of the shooting specs. As it was irritating to keep on swapping lenses (you have to make sure every time that the lens is square-on to the aiming line) I later bought a second frame, so I now have 2 shooting spectacles and don't have to keep on swapping the lens.

If your eyesight is better than mine, you may be able to manage with 1 set of spectacles and 1 lens, with a clip-on iris for shooting with open sights. But the very first requirement is an optician who really knows about shooters' requirements. The optician who made my lenses does not rely purely on the optical diagnosis and measuring equipment, as sophisticated as it is. His premises include a very long cellar with carpeted floor + targets where you can test-aim the lenses with your own rifle(s) - and even has a couple of rifles with open sights and aperture sights for you to use when fine-tuning the lens prescription.

As I wrote earlier - an eye-opening experience! It was only when I tried out the lenses with my rifles in the optician's cellar that I fully realized how poor my eyesight had become for shooting.

Patrick