A negative version of the American flag. Visuals like this can be a persistent afterimage in eye

Why do I see afterimages?

Oct 18, 2019

Why the images stay.

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A woman with crow's feet.

​How to deal with crow’s feet

Oct 16, 2019

The lines near our eyes.

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Dr. Wei Huang on WSOC's Daily Two

Wei Huang, MD, PhD, on WSOC's The Daily Two

Oct 10, 2019

Talking about cataract lenses.

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Senior Service Desk Lead Jay Haggerty

​CEENTA Career Talk: Keeping technology running with the IT service desk technicians

Oct 10, 2019

Maintaining technology.

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The visible spectrum, plus ultraviolet and infrared light

​Why can’t I see infrared or ultraviolet light?

Oct 09, 2019

The colors you can't see.

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A physician assistant examines a patient.

​What is a physician assistant?

Oct 08, 2019

All about these valuable medical professionals.

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