Are the eyes “windows to the soul,” as the ancient proverb has it? Maybe, but they are certainly portals through which one can glimpse signs of certain health problems -- not only eye disorders like cataracts and glaucoma, but also systemic illnesses like diabetes mellitus and cardiovascular disease. Sometimes the signs of these diseases are visible in, on, or around the eyes long before symptoms appear.
“The eyes truly are unique real estate,” says Andrew Iwach, MD, associate clinical professor...
Dim light might make it difficult for the eyes to focus, which can cause
short-term eye fatigue, says Richard Gans, MD, FACS, an ophthalmologist with
the Cleveland Clinic Cole Eye Institute. "But there is no scientific evidence
that reading in the dark does any long-term harm to your eyes," Gans says.
Challenging visual work, such as reading in insufficient light, can also
lead to short-term drying of eyes because you blink less often, Gans adds.
Again, this is uncomfortable, but it doesn’t damage the structure or function
of the eyes. You can use over-the-counter lubricating drops if dry eyes are a
On the off chance that your next question is going to be, "What about
sitting too close to the TV?" we have the same answer. Getting too close to the
set for your favorite shows won’t harm your eyes -- "either from overfocusing
or from radiation," Gans says.