We've had a problem that's repeated itself several times recently.
It's usually with elderly patients with Rx of over +10.00 who have been wearing thick plastic CR39 lenses for many years.
We give them the 'shpiel' of smart, flat, thinner high index lenses and AR coating and a modern frame and they get quite excited and order the job.
In most cases their Rx has been stable for many years, so we don't even change the Rx.
Well, you can guess the result, even though we explain to the Px beforehand that it will take a day or two to get into the new style lenses, they don't.
The problems they experience are dizziness, peripheral problems, but mostly a smaller retinal image.... yes, we set up the angling and the centration as we should and they do admit that the vision is clearer than the old thick CR39.
We've had to change 2 back recently to large thick 1.49 lenses..........
Anyone else had a problem like this, and any suggestions?
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