Usually, dehydration refers to the excessive loss of water from the body, and fluid loss may even be severe enough to become life-threatening. Besides, dehydration can also causes many bad effects on eyes. In mild and moderate dehydration, the bad effects not only on eyes but also on other organs, theses symptoms may include: dry eyes, dizziness, light-headedness, decreased urine output, muscle weakness, etc. However, when dehydration is more severe, you may go through theses uncomfortable experience:extreme thirst, extreme dry mouth and eyes, loss of elasticity in the skin, passing small amounts of dark, concentrated urine, sunken eyes, lack of sweating, fast heartbeat, low blood pressure, loss of consciousness,etc. Mild dehydration can be easily treated by drinking enough water and other fluids, such as diluted fruit juice. Life-threatening dehydration people should be immediately sent to hospital to receive treatment, which involves intravenous fluids to correct the water and electrolyte imbalance.
If you get dehydration, it is so bad for your whole body health, including the eyes health. The eyes will feel dry. At the same time, the eyes may get red because of the dryness. The eyes may get infection because of the coming invisible bacterium. You'd better use some eyes drops to release this symptom.
Dehydration would decrease or even stop the production of tear in eyes. The vision would be blurred. Dehydration refers to a condition that the amount of water we lose is bigger than the amount we intake. The most part of human body is water. We are losing water every minute in our lift, as evaporation, urination, breathing and sweeting and so on. Once we lose more than what we intake, our bodies would be out of balance of water, which is called dehydration. I believe that most people know that without water people would die in one week. To treat dehydration is very easy. You should intake enough water every day to support your daily consumption. Once you developed any symptoms like fainting, confusion or fever, you need to seek profession treatment at once to avoid any more severe damages.