Difference between revisions of Guide:Reading glasses prescriptions
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Prism is very rare on a prescription. It is effectively is an imbalance between how your two eyes see. It has been described as permanent [[double vision]]. | Prism is very rare on a prescription. It is effectively is an imbalance between how your two eyes see. It has been described as permanent [[double vision]]. | ||
==Pupillary Distance== | |||
[[Pupillary Distance]] or PD, is the final set of numbers you need to be aware of. Most likely this is not listed on your "prescription" you will need to ask for it or measure it yourself. | |||
[[Category:Guides]] | [[Category:Guides]] | ||