So the Cyrillic letter O is sometimes written with a dot inside (Ꙩ) in 14-15th century texts, primarily in the word “eye”. There’s also a double-dotted version (Ꙫ) and double eyed- version (Ꙭ) .
And single manuscript in Old Church Slavonic from the 15th century uses a multi-ocular O.
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in the sentence “many-eyed seraphim”.
So in 2007 this symbol was proposed for inclusion in unicode, then added the next year, but it was done incorrectly. We got the 7-eyed version!
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in 2020, there was a twitter thread talking about this symbol, and a linguist notices that the symbol didn’t match the one in the manuscript, and it was fixed in Unicode 15, released in 2020. Finally, the 10-eyed seraphim!
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But it takes time for fonts to be updated. Yours probably still draws it as 7-eyed. Here it is:
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