Yes, definitely. A flu is a kind of cold, which is caused by upper respiratory viral infection. With a flu, people would have high temperature, fatigue, sorness in muscles, headache, runny nose, watery eyes, sneezing and coughing. Since the upper respiratory tract is closely connected with eyes, it is very possible to spread the virus to eyes, resulted in sore eyes. The so called sore eyes is what we known as conjunctivitis or pink eye. Conjunctivitis is the eye inflammation caused by bacterial or viral infection or allergic reaction. From the introduction earlier, you can easily get the conclusion that it is very possible to have conjunctivitis when you have a flu or a cold. To relieve it, you can apply warm compress, which can effectively relieve symptoms conjunctivitis. Make some eye drops by yourself, such as baby shampoo water, salt water or breast milk. If it is serious, you can get some eye drops or ointment to help.