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andresr / 123RF Stock PhotoOptical Coherence Tomography (OCT) A whole new way of examining your eyes

What is OCT?


Optical Coherence Tomography uses low intensity infra-red light to give a 3D image of the

back of the eye.  It shows not only the surface but also the depth of the structures.  It is

similar to using ultrasound and creates an image not unlike an MRI or CT scan.


The light levels are very low, the scan takes seconds to acquire and is totally painless.  

All you need to do is look at a light, keep your eyes still and not blink for two seconds,

simple as that!

As well as the 3D scan, our instrument also takes a photograph of the eye in high

resolution.  This allows us to pin point any area of concern to review in depth.


What are the benefits?


The instrument is incredibly good at measuring and monitoring Macular Degeneration.  

It can measure the thickness of the optic nerves which are affected by Glaucoma

(and compare to an age, gender and ethnically matched normal).

In both circumstances it can mathematically show any changes from one visit to the

next, working at a level way beyond the ability of even the most experienced observer
with normal viewing methods.


If there are any changes or abnormalities they can be monitored by ourselves if

appropriate.  Should you need referral to a hospital the information we provide can help

immensely in aiding the doctor to prioritise the urgency for assessment/treatment.


Does everyone benefit?


Everyone can have greater reassurance from a more in-depth examination.  The two

main areas where we see benefits are to people with, or likely to develop, Macular

Degeneration (mainly people aged 60 or over) and those with a family history of

Glaucoma or high pressures in their eyes.  Diabetics can be monitored and compared

more accurately, which is very beneficial in the long term.


Do I need to have an OCT scan?


When checking the health of your eye the more information we have the better the

quality of our decisions will be.  This procedure gives us far more information to make

a decision now, and improves our ability to compare and notice very subtle changes

in the years to come.


What does OCT cost?


The OCT scan is an additional test and as such is not part of a standard NHS eye test.  

Should you take advantage of the scan it would be performed before your standard eye test.  


The cost is £35.00.


For more information on OCT scans and to book an appointment please phone our practice on:


Newcastle Branch - Tel. 0191 232 1002


Morpeth Branch - Tel. 01670 518 612

3 ways to help protect and maintain a healthy macula.


  1. Eat a diet rich in vitamins and  minerals, particularly Lutein and  Zeaxanthin.  These are
    found in green leafy vegetables and in yellow fruits.

  2. Have regular check-ups including the OCT scan to monitor any changes.

  3. Protect your eyes against damage from UV light.  When buying sunglasses make sure they have adequate UV protection.


More OCT images

A 3D section of the layers ofthe retina and vitreous jellyA 3D section of the layers of the retina and vitreous jelly
Download Leaflet
OCT
Age-related Macular Degeneration Dry FormAge-related Macular Degeneration Dry FormAge-related Macular Degeneration Wet FormAge-related Macular Degeneration Wet FormThe vitreous (jelly) pulling on the retinaThe vitreous (jelly) pulling on the retinaImage of Retina (back of the eye)Image of Retina (back of the eye)Relevant Information