significant differences were observed between normals and diabetics without retinopathy ( scheffe test : p less than 0.0001 ) , normals and diabetics with early retinopathy ( scheffe test : p less than 0.0001 ) , no retinopathy and early retinopathy patients ( scheffe test : p less than 0.05 ) .
C0011884
diabetics
C0035309
retinopathy