LIFE IN VIEW / SCIENCE PHOTO LIBRARY LIFE IN VIEW / SCIENCE PHOTO LIBRARY
This is a real situation. Image not to be used in a defamatory context.
Eye examination using an optical coherence tomograph (OCT). This machine images the retina in cross-section. The retina is the light sensitive membrane at the back of the eyeball. Both increases and decreases in retinal thickness can be symptoms of disease, although thickness does decrease with age.
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