97 London Road, East Grinstead, West Sussex, RH19 1EQ

01342 323 115    |    alex@alexander-opticians.com


Examinations & OCT

"We offer a more thorough eye examination as standard – including retinal imaging and optional OCT."

If you have not been to the opticians for a few years, or perhaps have never had an eye examination, you might be a little apprehensive about the procedures that are involved. You can rest assured you are in good hands – the exam will be performed by a fully qualified and experienced optometrist. Our utmost priority here at Alexander Opticians is patient care. Our comprehensive standard examination lasts approximately 30 minutes and includes Digital Retinal Photography. Our Enhanced Examination lasts about 35-40 minutes and includes the latest OCT scanning technology.


You might already be familiar with some of the tests you will be asked to complete, such as reading different-sized letters from a chart on the wall. Assessments like these check your visual acuity – how clearly you can see.


You’ll also experience other checks, both of your vision and the health of your eye as a whole. Your optician will use various equipment and techniques to check the physical condition of your eye – especially the back surface, known as the retina – but all of these tests are non-invasive.


Whilst these assessments are undoubtedly useful in informing us about the general health of your eyes, our opticians can usually only see up to 40% of the back of your eye with hand-held equipment alone. For that reason, here at Alexander Opticians we also include retinal imaging as a standard part of every adult eye examination – something that many other opticians charge as an additional service.


Our retinal imaging camera takes a series of very quick pictures of your eye and combines them all together to produce a much greater representation – up to around 85% – of your retina. Eye conditions like glaucoma and macular degeneration, and even general health conditions like high blood pressure, heart disease and diabetes, can all be detected by minor changes in your retina before any other symptoms are present.


If you have opted for our Enhanced Eye Examination, you will receive the latest development in eye testing – an advanced scan named OCT (Optical Coherence Tomography). This hospital-grade 3D scan of the eyes can help early detection of underlying eye conditions that may otherwise not be seen. Essentially, the OCT helps us to view the health of your eyes in greater detail, by allowing us to see what’s going on beneath the surface of the eye. Imagine it like a cake – we can see the top of the cake and the icing using the 2D digital retinal photography (fundus camera), but the 3D image produced from an OCT scan divides the cake in half and turns it on its side so we can see all the layers inside. Our optometrists can then map out and measure the thickness of these layers to get an even clearer idea of your eye health. OCT scans can help detect sight-threatening eye conditions earlier. In fact, glaucoma can be detected up to four years earlier.


Our professional opinion is such that it is vitally important to capture retinal images or preferably OCT scans of your eyes every time you visit, so that we can monitor any changes over time and detect signs of potential problems at the earliest possible opportunity. Over the years a comprehensive history of your eyes is built up and is a valuable source of information. This continuity of care will benefit you for years to come.


If you have any questions with regards to any of the procedures and benefits detailed above, please feel free to give us a call and we will be happy to advise you. We look forward to welcoming you.

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