Reindeer eyes change color in winter

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Reindeer eyes change color in winter



What color are a reindeer's eyes? If you said, “blue,” you are correct. If you said, “gold,” you are also correct. Turns out that reindeer have eyes that change color with the seasons – the only mammals known to do so.

British scientists discover reindeer eyes change colour from gold to blue over course of the seasons.



 Reindeer blue and gold tapedum lucidum


Photograph of the eye collected from a reindeer killed in the summer (golden), compared to the eye of a reindeer killed in the winter (blue).
 
Rudolph and his Arctic reindeer kin have evolved a neat trick to help them contend with dark, sunless winters and bright summers: their eyes change color. In the winter, their irises take on a frosty blue, while in the summer they adopt a golden hue. 

So, how about to wear blue color lens this winter?

1) Stella Blue: http://du.cx/C48



BC8.6DIA14.2
Water Content41%Using Cycle Period1 year
Approved byKFDA, CE
Power
0.00～-5.00(0.25step), -5.00～-8.00(0.50step),
No -0.25, -5.25



2) Sky 2 Blue: http://du.cx/C47



 
BC8.6DIA14.0
Water Content38%Using Cycle Period1 year
Approved by
KFDA
Power
0.00～-5.00(0.25step), -5.00～-9.00(0.50step),
No -0.25, -0.75
 



3) Marie Blue: http://du.cx/C3S




BC 8.6 DIA 14.0
Water Content 38% Using Cycle Period 1 year
Approved by KFDA
Power Plano only
 

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