Tender For corrigendum : supply and installation, testing and commissioning of equipment ophthalmology - auto-refractometer/keratometer, cmc for auto-refractometer/keratometer (annual cmc price for next 07 years after 03 year warranty/guarantee), non-contact tonometer/pachymeter, cmc for non-contact tonometer/pachymeter (annual cmc price for next 07 years after 03 year warranty/guarantee), ophthalmic refrection unit, cmc for ophthalmic refrection unit (annual cmc price for next 07 years after 03 year warranty/guarantee)