Retinal scan testing for glaucoma. Woman with her head resting in a machine (left) being used by an ophthalmologist (right) to scan the retinas of her eyes and examine them for signs of glaucoma. The retina is the light-sensitive layer at the back of the eye responsible for vision. Glaucoma is a build-up of pressure inside the eye causing blurring and blindness. The technique in use here is optical coherence tomography (OCT) using a confocal scanning laser ophthalmoscope (SLO) device. This machine is from the Optovue company. The results of the scan are shown on the screens and in image C028/1548 | |
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Credit: | Science Photo Library / Knapton, Chris |
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