I have lupus sle. My eye white part is red swollen looks like a blood clot psinful too is this a flare up from lupus?

Could be. I would see your ophthalmologist as this may very well be associated with the lupus.
May be episcleritis. Patients with systemic lupus (sle) can get a condition known as episcleritis that causes pain and redness in the white part of their eye. It may indicate a flare of your lupus. Call your rheumatologist and ask to be seen within the next couple of days. You should be fully evaluated with blood tests to check for active lupus. Your rheumatologist may also send you to see an eye doctor for treatment.