Like most human traits, blue eyes are determined by genes, and no two people have exactly the same hue. It works a lot like ...
If it sees only bright light, it has strayed into open water ... is festooned with up to 100 brilliant blue eyes. Each contains a mirrored layer that acts as a focusing lens while doubling ...
The animal's eyes change from a golden colour to a deep blue as summer fades to winter ... Animals that live in the Arctic experience dramatic changes in light levels, with long hours of bright light ...
By reducing the amount of blue light reaching the eyes, these protectors help to alleviate ... which can help prevent overly bright lighting that may contribute to eye discomfort.
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