You have not mentioned about findings of your liver function test .As you have mentioned your eyes are yellowish in colour as long as you remember go for Complete Blood Count
,Liver function test which includes total ,direct, indirect bilirubin
to rule out Gilberts syndrome .Gilbert syndrome
is a disease in which there is persistent increase in indirect bilirubin but there is nothing to worry ..Besides these tests you can go for hemoglobin
electrophoresis/HPLC to rule out sickle cell.