On my left eyelid I have a swollen vein & when I touch it its not soft , why this is happening & what is the solution? (photo)

Hi Im 36 years old and on my left eyelid I have one vein that is swollen and when I touch it its not soft ,I went to gp and they told me I have to wait 4 to 6 weeks for eye clinic appointment its almost 6 weeks and no news can you please help me why this is happend? and what is the solution?