When artificial lubricating tears aren't enough for the severity of the disease, tears can be prescribed that are made from your own blood. After your blood is drawn, the platelets and clotting factors are removed. Then, the blood serum is combined with sterile saline to provide a unique eyedrop that has many of the same growth factors and nutrients that normal tears provide. 

Autologous Serum Tears

serum tears eye drops for dry eye
For an article from Review of Optometry about Autologous Serum Tears click here.