Recent Examples on the WebIn this kind of compound eye, each ommatidium has to be encased in something that blocks light in order to isolate it from the neighboring ommatidia, keeping each unit distinct.
Scott K. Johnson, Ars Technica, 15 Aug. 2020 At the top of each ommatidium is a lens, with cone cells beneath it that also help focus incoming light.
Scott K. Johnson, Ars Technica, 15 Aug. 2020 The tiny organ contains 100 ommatidia, or subunits that make up compound eyes found today in many insects, surrounding a light-sensing structure called a rhabdom.
Jason Daley, Smithsonian, 11 Dec. 2017
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