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Clinical guidance
Guidance for Professional Practice
Clinical Management Guidelines
Optometrists' Formulary
Clinical advice service
Clinical files
Guidance for therapeutics
Supplementary guidance
Using Evidence in Practice
Position statements
Ethical scenarios
Professional development
Events
CPD hub
Introduction to CPD
Online learning
Peer discussion and peer review
Docet distance learning
Further qualifications
Independent prescribing (IP) qualification
Higher qualifications
College journals
Acuity
Ophthalmic and Physiological Optics (OPO)
Optometry In Practice
Career pathways in optometry
Research awards and grants
Research Excellence Awards
Financial support for College members undertaking research
Library and information services
Fellowship by Portfolio
Qualifying
Scheme for Registration
New route to qualification
Assessors, examiners and supervisors
Optometry students
International pre-registration trainees
Sector Partnership for Optical Knowledge and Education (SPOKE)
A career in optometry
Membership
Join us today
Membership categories and fees
Request a change of membership category
Full range of member benefits
Reclaim your tax
Member resources
Locum resources
Life and Honorary Fellowship (FCOptom)
Taking a career break
Member Code of Conduct
The Benevolent Fund
Viewpoint
News
Shaping eye care
Advancing optometry
Championing the profession
Patient leaflets and resources
Jobs board
Podcasts
Get the College app
Research
Expert witnesses
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Compassion in practice
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Clinical guidance
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Knowledge, skills and performance
Prescribing spectacles
Pupillary distance (PD)
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Knowledge, skills and performance
Prescribing spectacles
Pupillary distance (PD)
A346
The PD is one of several facial measurements that are taken as part of the dispensing process. It is not part of the prescription.
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