Pinkeye ,or conjunctivit is very common. If you don't take any measures to solute it , it will last 7 to 10 days. But relax, it is usually not serious. The factors that cause pinkeye are as follows: viruses or bacteria, dry eyes from lack of tears or exposure to wind and sun, chemicals, fumes, or smoke (chemical conjunctivitis). It is highly contagious and needs to be treated with antibiotic drops. So you'd better stay at home and bring a note yo doctor and take some medicines.
www.webmd.com is an excellent site that can offer you much information about pingeye.
Well, generally speaking, you are not supposed to go to school when you have pink eyes, for they are highly contagious. First, you should know that pink eye, is redness and inflammation of the membranes covering the whites of the eyes and the membranes on the inner part of the eyelids. The common cause of pink eyes can be irritation, allergies, eyestrain, environment, wearing contact lenses, dry eyes. If you have pink eyes, you will have some symptoms such as itching, burning or stinging, discharge, swelling, watering. So you should take some measures to heal it. For example, you can put some ice on your eyes and change it frequently. And also, drop some eye drops, so it can relieve the symptom.
Unfortunately no, you had better not go to school if you have pink eye. Pink eye or conjunctivitis, is one of the most common eye problem in daily life. It can be caused by many of the bacteria and viruses responsible for colds and other infections, including ear, sinus infections and sore throats. Therefore, it is contagious due to the bacteria or viruses that cannot be seen by eyes naturally. When you get pink eye, you rub or touch the pink eye, the bacteria or virus would pass to your hands. Then, when you touch other objects like book, and give it to other people. The bacteria or viruses would pass to othersâ€™ hands as well. It is too easy for others to get pink eye as you in such public place.