Rings in pictures??

Question

Why do some put a ring on the test in the picture??
Does this mean something or what??

Answer

It's to help focus in on the test results, idk why people do it though, I don't see any difference.

Answer

It helps the picture focus so that you can see the lines better.

Answer

I figured out today the VVFL Snapchat actually takes a clearer picture of it! 🤷🏼‍♀️

Answer

It’s to help with lines eyes. The circle provides a contrast to a line

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