Malingering manifest as either imitating an ophthalmic disease, or contradiction of ophthalmic disease. In all cases of imitating or denial of ophthalmic disease there is only one reason i.e. Benefit and advantages. Benefit may be financial or nonfinancial. Sometimes it may be the reason for escape of military service or work, depletion of court penalty, tricky way of getting compensation from insurance companies and unnecessary free medicines or medical equipments. Malingerer does everything to cheat ophthalmologist/optometrist. Commonly it is associated with concurrent diagnosis of depression, anxiety, panic attacks, fibromyalgia and psychiatric disorders.

Keywords : Malingering, Simulation, Subjective, Objective, Optokinetic Nystagmus(OKN), Visually Evoked Potential (VEP).