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Samples in periodicals archive:
Lucy explained: "We no longer use the donated glasses to take out to Africa as they're not good quality and we found that although a patient in Uganda may have the same prescription, they might not be able to focus properly if their pupillary distance - how far apart their eyes are - differs from the person who the glasses were originally made to fit.
The key features that are important for a child's spectacle frame, compared with adult frames, are that they need to have a: * Larger frontal angle * Larger splay angle * Lower crest height * Smaller frontal width * Smaller angle of side * Shorter length to bend * Shorter length of drop * Smaller boxed lens size * Differing shape of lens aperture * Shorter back vertex distance * Pantoscopic angle of zero (4) When selecting a frame, the boxed centre distance and the patient's pupillary distance (PD) should be practically equal.
Be careful entering your prescription online, ideally get your pupillary distance measured for accuracy.
When you order online you'll need to give your pupillary distance or PD( distance between your pupils in mm).
EFFORTS TO make the recording of pupillary distance (PD) measurements a part of optical prescriptions have been responded to by the GOC.
com, appeared on Radio 4's You and Yours last summer to put the case for pupillary distance measurements being part of the legal requirements for optical prescriptions.
com, appeared on Radio 4's You and Yours on Monday (August 16) to put the case for Pupillary Distance measurements being part of the legal requirements for optical prescriptions.
The pupillary distance is just one of a number of important measurements which need to be taken by a dispensing optician in order to provide an accurate prescription to the patient.