New research into the function of a specialized group of retinal cells offers hope for innovative ways to treat jet lag and other circadian disorders. Most of us have experienced jet lag in one form or another. You probably know the symptoms well: difficulty falling asleep, difficulty waking up and poor quality sleep when you […]
The Eye’s Role in Circadian Rhythm Entrainment
Sight is important but it is not the only role of the eye. Research has shown that the eye’s role in circadian rhythm entrainment is greater than we previously believed. Our eyes are an important part of perceiving and adapting to our environments. We use our eyes to navigate the world in a variety of […]
The Visually Impaired Are More Prone to Seasonal Affective Disorder (SAD)
Research now shows that individuals who are visually impaired are almost three times more prone to seasonal affective disorder, or SAD, than those with normal vision. Seasonal affective disorder is a depression brought on by seasonal change. The symptoms usually start in the fall and last throughout the winter. Symptoms include depression, moodiness, lethargy and […]