When attending your appointments, it is likely you will encounter a number of tests that are intended to help your doctor detect and identify any problems with your eyes.
Visual acuity tests are used to determine the smallest letters you can read on a standardised chart or card held 20 feet (6 metres) away. Ophthalmologists routinely use a number of different standardised charts in their practices.
Dilation involves putting drops into your eyes to dilate the pupils. This test uses a bright light and a magnifying lens to assess your retina and optic nerve for any problems. Using different lenses allows different parts of the eye to be seen in more detail.
Optical Coherence Tomography, or OCT, might sound complicated, but it’s really just a light that scans your retina. The scan creates a visualisation of the different layers of the retina, producing a sort of map allowing the doctor or nurse to measure its thickness and view retinal details. This is important for understanding exactly what’s happening around your macula.
Fluorescein angiography is a procedure where a dye is injected into your bloodstream. It highlights the blood vessels at the back of your eye, which helps your doctor or nurse assess how leaky they are, and whether they have become restricted in any way.
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Date of preparation - October 2019 | Item code number - PP-EYL-AU-0010-1