Retinal thickness maps of healthy eyes, OCT scan
Optical coherence tomography (OCT) retinal thickness maps of healthy eyes in a 63 year old female patient. The warmer colours are indicative of increased retinal thickness, while cooler colours represent thinner areas. A thickness map can be useful in identifying the degree of diffuse thickening of the retina which can be indicative of certain conditions., by DR P. MARAZZI/SCIENCE PHOTO LIBRARY
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