The retina is a thin layer of tissue that lines the back of the eye. The retina receives light focused by the lens, and converts the light into neural signals to send to the brain for visual recognition.
Retinal imaging takes a digital image that shows not just the retina, but also the optic disc – the foremost part of the optic nerve – and blood vessels. It should be noted that this procedure does not replace a regular eye exam; rather, it adds another layer of precision to it.
It’s recommended that all patients receive this test, though it’s especially important for those with a history of high blood pressure, diabetes, glaucoma, retinal diseases, flashing lights, floaters, headaches, or a high nearsighted glasses prescription.
The scan of the eye is called optical coherence tomography, or OCT. It’s similar to an ultrasound without the gel, working as a camera to take a photo of the retina and optic nerve. The procedure is quick and painless, and no instruments touch the eye. In the retinal image that is obtained, each of the retina’s layers can be seen distinctively, allowing your Prairie Eye Care optometrist in Winnipeg to map and measure their thickness. The scans and measurements help your eye doctor to detect, diagnose, and treat a variety of diseases such as glaucoma, diabetic eye disease, and macular degeneration, among others. This information also helps us monitor changes in your eyes more closely.
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