vitamin D

The Lack of Sun – Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder Image

In the Northern and Southern Hemispheres, there’s a lack of bright light in winter. This can cause a condition known as seasonal affective disorder, or SAD. The symptoms of seasonal affective disorder are similar to those of many types of depression. SAD can bring feelings of misery, hopelessness, and despair. Fatigue and lethargy can make […]

About the Author

Avatar for Tyler Sorensen

Tyler Sorensen is the President and CEO of Rebuild Your Vision. Formerly, Tyler studied Aeronautics (just like his brother) with the dream of becoming an airline pilot, however, after 9/11 his career path changed. After graduating top of his class with a Bachelor of Science in Informational Technologies and Administrative Management, he joined Rebuild Your Vision in 2002. With the guidance of many eye care professionals, including Behavioral Optometrists, Optometrists (O.D.), and Ophthalmologists (Eye M.D.), Tyler has spent nearly two decades studying the inner workings of the eye and conducting research.

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