That's probably because you are suffering from dry eyes syndrome. When you have dry eyes, a lack of tear film covering cornea will leave cornea open to scratches and scrapes. As a result, open sore or corneal ulcer may occur which makes you feel painful when you close your eyes. What's worse, the cornea without tear film is easy to be infected by bacteria, virus and fungus.
Treat it in the following methods:
1. Do eye exercise every day.
2.Apply hot compress to your eyes.
3.Drip eye drops or artificial tears.
4.blink your eyes more
5. have better sleep
All right, from what I can see, there is something wrong with your eyes. And it is common for people to have burning feeling once they have got keratitis, which is very popular with young people. So, you should probably get some advice and help from the doctor and get some eye drops if necessary. Also, try to take some breaks when you feel tired and a regular life is needed.
Your eyes may have got the coming invisible bacterium which causes it to get infection. That is why you feel burning in your eyes when you close your eyes. You need to use some eyes drops with anti-inflammation to cure it. You should keep on using it every day and then see the effect after several days. You will feel comfortable at the eyes. At the same time, you could eat more food with vitamin C to moisture the eyes.