Tired eyes and blurred vision. If you spend a long time using a computer or watching television, your eyes can become tired and your vision blurred. Using a computer does not cause permanent damage to your eyes. However, working on a computer is a demanding visual task that can cause eye discomfort.
Fruits that are heavily alkaline include watermelon, cantaloupe, mangoes, pears, grapes and passion fruit. Dried fruits like dates, apricots, figs and raisins are also considered heavy alkaline foods. Apples, fresh apricots, bananas, berries and avocados all have a moderately alkaline pH of around 8.0.
When a watermelon is a pale shade of green or white, it is unripe. If you eat the watermelon at this stage, you experience an acidic taste. For migraine sufferers, the increase in acidity will likely cause a migraine headache. If the watermelon is too ripe, it develops dark red soft spots as in the picture shown below.