Cool tea can also be very effective. Just pour boiling water onto a tea bag and let it stew for a couple of minutes. Then let it cool down and use cotton wool to, again, wipe the corners of the eyes. Gentle massage around the eyes with your finger can also help to free the tear ducts. This is very common.
Some myths say that it is the result of dirty hair but in fact it is quite the opposite.
Head lice will only infect clean hair. You are more likely to see the gray, oval shaped eggs, at the shaft of the hair, close to the scalp. There are many medicated shampoos which you can obtain from a pharmacy. These kill the eggs and nits. You then have to use a special fine comb to remove the eggs.