Hi this is Mekhla Debroy.My father is a doctor.He is MS.Whenever he checks me he said M looking very pale pale and he tell me to lie on bed.Then he checks my eyes with torchlight for atleast 5-6 times.He also tell me I am severe anaemic patient.I have also 70% chance to become thalasemia patient.My heamoglobin is 6.What does eye pupils refer?why he use torch light for checking my eye pupils?