Do prescription glasses get made wrong ?

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Joined
22 Mar 2020
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149
I had an eye-test and got a new set of glasses as the old ones were a bit bent from being sat on. The new prescription was very similar to the old one, and the new glasses are a similar size frame/lenses.

With the new ones I can't look down and read a mobile phone, but if I hold it at the same distance straight ahead I can. With the old glasses I can read it in both locations.

If I tip the new glasses above my ears I can now look down and read the phone.

Does this suggest the lenses may be out of spec (e.g. the focal point in the wrong place) ?
 
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