<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hello doctor, I have been experiencing pain and swelling in my eye. Its been causing a lot of discomfort and Im having trouble seeing properly.  <response>: Based on your symptoms, its possible that you have orbital cellulitis. We need to perform some medical tests to confirm this. Well start with a complete blood count CBC, which will help us determine if you have an infection. We may need to begin intravenous fluid replacement and monitor your glucose level. Well also need to perform an X-ray computed tomography CT scan of your head to determine the extent of the infection. Additionally, we will run kidney function tests and an electrolytes panel. 