Meaning of Ophthalmotrope in Urdu

An ophthalmotrope (from the Greek roots ὀφθαλμοῦ, ophthalmos, i.e. eye and -τροπή, -tropē, i.e. turning) is an apparatus for demonstrating the movements of the eye and the action of the different muscles which produce them, consisting essentially of a model eyeball to which are attached strings and pulleys to duplicate the line force of the muscles.