The Association of Health Professions in Ophthalmology (AHPO) is a charity that represents the different professions that provide treatment and care for patients with eye diseases. AHPO is also a training provider of apprenticeships that include a BTEC Diploma for ophthalmic associates and technicians who work in eye clinics. The apprenticeships are only available in the UK, but the BTEC Diploma is available staff working outside the UK.