๐——๐—ถ๐—ฑ ๐˜†๐—ผ๐˜‚ ๐—ธ๐—ป๐—ผ๐˜„? ๐—ฌ๐—ผ๐˜‚๐—ฟ ๐—•๐—น๐˜‚๐—ฒ ๐—˜๐˜†๐—ฒ๐˜€ ๐—”๐—ฟ๐—ฒ๐—ป’๐˜ ๐—”๐—–๐—ง๐—จ๐—”๐—Ÿ๐—Ÿ๐—ฌ ๐—•๐—น๐˜‚๐—ฒ!

Unlike brown, green, or hazel eyes, which get their colour from ๐—ฝ๐—ถ๐—ด๐—บ๐—ฒ๐—ป๐˜๐˜€ ๐—ฎ๐—ป๐—ฑ ๐—บ๐—ฒ๐—น๐—ฎ๐—ป๐—ถ๐—ป, blue eyes are pigment-free.

So why do they look so vibrant? It’s all about ๐˜€๐˜๐—ฟ๐˜‚๐—ฐ๐˜๐˜‚๐—ฟ๐—ฒ ๐—ฎ๐—ป๐—ฑ ๐—น๐—ถ๐—ด๐—ต๐˜ ๐˜€๐—ฐ๐—ฎ๐˜๐˜๐—ฒ๐—ฟ๐—ถ๐—ป๐—ดโ€”specifically the ๐—ง๐˜†๐—ป๐—ฑ๐—ฎ๐—น๐—น ๐—ฒ๐—ณ๐—ณ๐—ฒ๐—ฐ๐˜. Blue light is scattered more than other colours, so you’re seeing predominantly blue light making its way out of the eye and back to you.

Itโ€™s similar (but not quite the same) to the ๐—ฅ๐—ฎ๐˜†๐—น๐—ฒ๐—ถ๐—ด๐—ต ๐˜€๐—ฐ๐—ฎ๐˜๐˜๐—ฒ๐—ฟ๐—ถ๐—ป๐—ด which causes the sky to appear blue. The physics of scattering, absorption and turbulence is key to understanding how light propagates through the atmosphere.

๐——๐—ถ๐—ฑ ๐˜†๐—ผ๐˜‚ ๐—ธ๐—ป๐—ผ๐˜„ that LumOptica offers atmospheric laser propagation modelling? Get in touch now to find out more!