Is a limbal ring an accurate predictor for aging?

[Soalian]

Or is it bullshit?

 

[sorrowfulsad]

not really tbh
my uncle is almost 70 and literally has the thickest deep blue limbal ring I have ever seen
the ring fades for some persons over time tho

 

[( ( ( d[-_-]b ) ) )]

I can’t even see my limbal ring bruh

 

[Preoximerianas]

Eyes so dark you can't even see the limbal rings