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2. 7 easy steps for brighter eyes - AOL

   www.aol.com/lifestyle/2016-07-07-7-easy-steps...

   7 easy steps for brighter eyes. By: The Beauty Experts at L'Oréal Paris. Regardless of whether you're cramming for a test, out partying or binge-watching reality TV, one thing is for certain: The ...

3. The 10 Best Eye Creams That Actually Brighten ... - AOL

   www.aol.com/10-eye-creams-actually-brighten...

   Total Eye 3-in-1 Renewal Therapy SPF 35. Finding an easy-to-apply daytime eye cream can be tricky. A good one will have a lightweight gel texture that sinks into the skin and wears well under ...

4. Adaptation (eye) - Wikipedia

   en.wikipedia.org/wiki/Adaptation_(eye)

   The human eye can function from very dark to very bright levels of light; its sensing capabilities reach across nine orders of magnitude. This means that the brightest and the darkest light signal that the eye can sense are a factor of roughly 1,000,000,000 apart. However, in any given moment of time, the eye can only sense a contrast ratio of ...

5. Best Under-Eye Cream for Wrinkles, Aging And More - AOL

   www.aol.com/entertainment/best-under-eye-cream...

   Best Eye Drops for Brighter Eyes: Upneeq. Upneeq. While not an under eye cream, these eye drops work wonders to fight tired-looking eyelids.

6. Purkinje effect - Wikipedia

   en.wikipedia.org/wiki/Purkinje_effect

   An animated sequence of simulated appearances of a red flower (of a zonal geranium) and background foliage under photopic, mesopic, and scotopic conditions. The Purkinje effect or Purkinje phenomenon (Czech: [ˈpurkɪɲɛ] ⓘ; sometimes called the Purkinje shift, often pronounced / p ər ˈ k ɪ n dʒ i /) [1] is the tendency for the peak luminance sensitivity of the eye to shift toward the ...

7. Helmholtz–Kohlrausch effect - Wikipedia

   en.wikipedia.org/wiki/Helmholtz–Kohlrausch_effect

   Any colored lights will seem brighter to human observers than pure white light. Oftentimes this makes more saturated colors actually seem lighter than shades of gray, no matter how bright they are. Certain colors do not have significant effect, however; any hue of colored lights still seem brighter than white light of the same brightness.