supply of foldable intra ocular lens for astigmatism correction, hydrophobic, single piece etc.foldable intra ocular lens for astigmatism correction, hydrophobic, single piece etc.,foldable intra ocular lens for astigmatism correction, hydrophobic, single piece, iol specific ations: 1) foldable hydrophobic single piece aspheric toric lens 2) cylinder power range upto 6 diopter. 3) toric calculator software to be available online in internet. 4) optic with 360 degree sharp square edge. 5) optic diameter - 6 mm or more and a constant: ultrasound 118.8-119, optical 119.1-119.3 6) overall diam eter - 13 mm. to 13.25 mm 7) refractive index - 1.50 to 1.55. 8) optic with uv absorbing properties, with n atural yellow chromophore to protect from uv radiation. 9) iol preloaded in teflon coated polished cartridg e in pre-fitted injector. 10) the whole unit of preloaded iol in injector is to be supplied in a sterile pack. 10) to submit a sample along with the tender for inspection. 11) facility for exchange of iol for the dioptric ma tching of iol for individual patient to be arranged at the hospital premises and whenever required within 12 hours, irrespective of the duration from date of purchase till the consumption of the lens is exhausted 12) t he manufacturer must have facility of exchange for diopter matching 13) satisfactory performance report o f iol from preferably railways or govt. institute with supporting recent purchase order. ]