Welcome to BIOS Orthoptists specialise in the diagnosis and management of disorders of binocular vision and defects of eye movement. CONTACT US The British & Irish Orthoptic Society
Patients and Public
Member Area
Study Orthoptics

COVID-19 – Guidance for orthoptic professionals can be found here

  • Member Get Member

    The membership of BIOS is growing but we're looking to expand our community further! We know that the best way of reaching new members is through our existing members - you know what [...]

  • Child Vision Screening – FOI Results Published

    Child vision screening 2019 – services are available but still work to do! Orthoptic-led child vision screening aims to pick up amblyopia (commonly known as “lazy eye”), where the vision in one or both [...]

  • COVID-19 / Coronavirus – Member Guidance

    Below you will find guidance on working and keeping safe, as well as updates on the effect of this on BIOS events and ongoing work. We hope you find this helpful but please do [...]

  • I See The Difference

    I See The Difference looks to raise awareness of careers in orthoptics, highlighting the diverse and fascinating work done by Orthoptists. Find out how you can get involved to promote the profession. [...]


Who we are

The British and Irish Orthoptic Society is the professional body for Orthoptists. Orthoptists are registered Allied Health Professionals regulated by the Health and Care Professions Council (HCPC) in the UK and CORU will be the regulator in the Republic of Ireland.

  • BIOS was founded in 1937 and is a registered charity and a company limited by guarantee.

  • BIOS is affiliated to the Allied Health Professionals Federation, a group made up of 12 bodies representing more than 158,000 workers in the UK.
  • BIOS is also a member of the International Orthoptic Association and OCE.
  • BIOS members in the UK are also automatically trade union members of the British Orthoptic Society Trade Union (BOSTU).

Resource Hub

Educational and Professional Development

Clinical Advisory Groups

Non-Clinical Advisory Groups


Public Health

Leads of the Orthoptic profession group