If you had said that it’s possible to see white blood cells with the naked eye, I wouldn’t have believed you. If you had somehow convinced me, I’d have then been impressed. But never would I have thought that it’s possible to see your own white blood cells in your own eye. Aye, ’tis true!

The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots (nicknamed blue-sky sprites) moving quickly along undulating pathways in the visual field, especially when looking into bright blue light such as the sky.

~ Wikipedia from, https://en.wikipedia.org/wiki/Blue_field_entoptic_phenomenon

Is the takeaway here that you’ve just learned something? …or that wonders never cease? …or something else entirely?

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