Your eyes are the window to your soul - but they also can be the window to your health.
See also: How sunglasses can damage your eyes
See also: Are you at risk of digital eye strain?
Did you know, for example, that:
Having 'bug eyes' can indicate an overactive thyroid.
Diabetes can show up in the eye as tiny hemorrhages in the retina and or yellowish deposits of blood fats.
If you're young and you get a cataract - you should get tested for a tumour and or diabetes.
HIV/AIDS can also be spotted through the eye - which can create blinding inflammation in the retina. (
If you have a grey ring around your cornea, you might have high cholesterol and triglycerides - which means you should get a blood test to check for elevated blood lipids as soon as possible.
If you have droopy eyelids, don't automatically assume that's normal- if could be a sign of myasthenia gravis - an autoimmune disease characterized by muscle weakness.
Sometimes eyes can even be used to detect cancer, specifically lung cancer in men and breast cancer in women which both commonly spread to the eye.