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Optical coherence tomography

Optical coherence tomography is a scanning tool used to diagnose eye conditions. Our HCA specialists offer you this test

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About

Optical coherence tomography (OCT) is a type of scanner that helps your HCA optician diagnose your eye condition. Using light waves, the OCT creates a map of your retina and highlights any damaged areas. This very simple test can identify problems such as macular holes, degeneration and glaucoma.

Need to know

  • What happens icon plus

    Your OCT test is very straightforward. The whole process should last around 45 minutes and requires no anaesthetic. Your consultant will likely follow these steps: - Give you eye drops on your arrival to dilate (enlarge) your pupils. This takes about 30 minutes to work - Once your pupils are dilated, you will be seated in front of the OCT machine. Your eyes are then scanned for the next 15 minutes It is worth noting that whilst the OCT test is completely painless, your vision may be slightly blurred from the eye drops. They can take between 6-8 hours to wear off. As a result it is wise to arrange for somebody to drive you home from the hospital.

  • How to prepare icon plus

    Your consultant will explain how the OCT test works and answer any questions you might have. It is unlikely you will need to prepare anything beforehand.

  • Afterwards icon plus

    It is possible your consultant optician may give you your results on the day of your OCT test. Otherwise you will be informed of them in a follow-up appointment. You will be able to go home shortly after your test, and carry on with your daily routine as normal.

Our consultants

We're proud to work with leading experts across a range of medical fields, whose skills are matched by their integrity and compassion.
Consultant in theatres

Our facilities

From complex surgery to straightforward procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.

  • The Wellington Hospital - South Building

    The Wellington Hospital

    Wellington Place

    London NW8 9LE

    Appointments 020 7483 5148
    General enquiries 020 7586 5959

  • London Bridge Hospital

    London Bridge Hospital

    27 Tooley Street

    London

    SE1 2PR

    Appointments & Enquiries 020 7234 2009
    Imaging Appointments 020 7234 2773

  • The HSC exterior

    The Harley Street Clinic

    35 Weymouth Street

    London  W1G 8BJ

    Appointments 020 7935 7700
    General enquiries 020 7034 8181

Request an appointment

We're happy to help you make an appointment with one of our experienced consultants.

020 7079 4344
Book an appointment
This content is intended for general information only and does not replace the need for personal advice from a qualified health professional.
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