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Healthy Eyes For Life ... Read More Befitbealive (talk) 09:49, 30 October 2022 (UTC)[reply]

Not done, that's a blog and not an appropriate source. --Mvqr (talk) 11:18, 30 October 2022 (UTC)[reply]

the eye you see with

@Michell Cheem 67.243.13.148 (talk) 18:24, 1 November 2023 (UTC)[reply]

Indeed Coltcatus (talk) 18:34, 7 November 2023 (UTC)[reply]

In the 'Overview' section it says that Trilobites have lenses made from calcite. This is outdated, as it has been discovered that the calcite found in Trilobite fossils originates from fossilization processes and not the animal itself. See the 'Evolution of the eye'-article. Original source: Lindgren, J., Nilsson, DE., Sjövall, P. et al. 2019. Fossil insect eyes shed light