What is the approach to diplopia?,”Get them to close an eye to determine binocular or monocular diplopia. Binocular:1. Neurogenic – CNs, internuclear ophthalmoplegia (INO), myasthenia gravis2. Mechanical – orbital wall fracture, orbital tumour, Grave’s orbitopathyMonocular:1. Cornea (deformity, keratoconus)2. Lens (cataract
displaced lens)3. Retina (macular scarring)”