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Optical Coherence Tomography (OCT)

Glory Eyecare Optometrists use the most up-to-date 3D OCT.  Our OCT offer Macula OCT, Glaucoma OCT, Fundus Imaging, Anterior Angle Imaging and Corneal Thickness measurements.  The ultra high definition scan image does this with a high speed 53,000 A-scan/sec.  These impressive instruments are designed to look at  cross section scans through the retina, which can detect signs of macula disorders and early signs of Glaucoma.  Having a OCT performed every 1-2 years can monitor any changes that can occur in the retina and especially the macula region.

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Optical Coherence Tomography (OCT) is a powerful non-invasive diagnostic imaging technology.  It provides very high detailed, 3-dimensional & cross sectional images of the retinal tissue at the back of the eye. This device with accompanying analysis software provides the ophthalmic practitioner with invaluable information to evaluate the health of the retina and aid diagnosis for retinal disease, including glaucoma.  OCT provides virtual microscopic images of the eye and allows the practitioner to precisely monitor changes over a series of visits.


Our OCT utilise the latest technology and in our view provides the best images and analysis software. A 3D scan comprising of 100 million pixels (bits of data) can be acquired in 1.6 seconds with a depth resolution (detail) of 0.007 millimetres.

An OCT examination may be advised in the following cases:

  • An abnormality is detected at the back of the eye, even without symptom.

  • Increased risk of developing retinal disease, including glaucoma.

  • Intra-ocular pressure is higher than normal.

  • Visual field loss.

  • Reduced vision possibly due to macular disorders.

The macula is a very small area in the central part of the retina, with the central portion of the macula, the fovea being only about the size of the head of a pin.  This specialized area is responsible for the detailed visual acuity necessary for daily tasks.


An OCT is typically the best device available to detect and monitor a range of macular conditions including macular degeneration, traction, epiretinal membrane, macular hole, diabetic retinal disease and oedema.


Glaucoma is a disease resulting in damage to the retinal nerve fibres that connect to the brain.  Increased pressure in the eye is often a factor in the development of glaucoma.  As damaged retinal nerve fibres cannot regenerate, early detection and treatment is crucial to prevent further progression.  Our OCT isolates and analyses the retinal nerve layers as well as the optic nerve head where the nerves exit the eye. Furthermore the OCT software compares these parameters to normal expected values for both age and ethnic group, providing the eye care practitioner with the necessary information to make an informed decision for management and treatment.

Other factors also play into the diagnosis and management of glaucoma, including the anatomy of the drainage system in the front chamber of the eye and also the thickness of the cornea. Our OCT provides useful information on these critical factors.

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