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Ask Dr. A.S. Desai Your Own Question
Dr. A.S. Desai
Dr. A.S. Desai, Ophthalmologist
Category: Eye
Satisfied Customers: 2398
Experience:  MS Ophthalmology with 13 years of surgical expereince
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I am trying to order prescription glasses the site is asking

Customer Question

I am trying to order prescription glasses
the site is asking for opticle centres
on my paper it says PD 58/56 MM what does this mean
Thank you
Submitted: 6 years ago.
Category: Eye
Expert:  Dr. A.S. Desai replied 6 years ago.

Welcome to Just Answer

PD stands for pupillary distance- the distance between the two pupils in millimetres. 58/56 mm denotes the pupillary distance. It helps in the correct centration of the glasses.

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