- Barracloughs Blog
The Benefits of OCT
It's not just your vision we care about, it's your health too. With an OCT eye health scan, we can detect numerous diseases such as diabetes, glaucoma, age related macular degeneration and much more..
Optical Coherence Tomography (OCT) is a very detailed non-contact eye scan. OCT scanning uses light waves to take cross-section images of the back of the eye (the retina). It is quick and painless, nothing touches your eye at all - it is just like having an x-ray taken and takes a few seconds additional to your usual eye test.
With this technology we can see the retina's distinctive layers and study these images/cross sections of the very back of your eye allowing a study of your eyes in incredible detail. These measurements help with diagnosis and also provide treatment guidance for glaucoma and other eye-related conditions such as diabetes and macular degeneration (AMD).
What's the difference between retinal photography and OCT scanning?
To simplify, we tend to compare your eye to a cake. The retinal image takes a photo of the surface of the retina (the top surface of a cake) whereas the OCT looks at the layers of the retina (like cutting a slice of cake and then being able to see the various layers within, one at a time).
The OCT eye exam checks the health of the eye and is totally painless. Scanning takes about 5 – 10 minutes. This type of appointment is very useful in diagnosing a number of eye conditions, including:
- macular hole
- macular pucker
- macular edema
- central serous retinopathy
- diabetic retinopathy
- vitreous traction
- age-related macular degeneration
OCT is often used to evaluate disorders of the optic nerve as well. The OCT exam helps us to see changes to the fibres of the optic nerve. For example, it can detect changes caused by glaucoma.
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