<prompt> 46 years old female in Eye OPD presents with right eye vision 660 and left vision as 360-Socially blindLow visionEconomically blindNormal vision  <response>: Normal vision-66 to 660 Low vision less than 618 to 660 and less than 660 to360 Blindness less than 360 Ref- A.K.Khurana textbook of Ophthalmology 6th edition. 