The eyes can reveal many health problems, from high cholesterol to thyroid disease.
that can detect early signs of Alzheimer’s disease and other neurological conditions. The app uses the phone’s near-infrared camera to track changes in the size of a person’s pupils at a sub-millimetre level. These measurements can then be used to assess that person’s cognitive condition.
But even without technology, it is possible to detect a number of health problems simply by looking at the eyes. Here are some of the warning signs.The pupil responds instantly to light, becoming smaller in bright environments and larger in dimmer conditions. Sluggish or delayed responses in pupil size can point to several diseases that can include serious conditions such as
If the change in colour is persistent, it can signal a more serious infection, inflammation, or a reaction to contact lenses or their solutions. In extreme cases, a red eye indicatesWhen the sclera become yellow, this is a most obvious sign of