supply of foldable monofocal intra ocular lens with extended depth of focus.foldable monofocal intra ocular lens with extended depth of focus.,foldable monofocal intra ocular lens with extended depth of focus. specifications: (1) foldabl e hydrophobic biconvex acrylic single piece iol with uv blocking property . (2) monofocal pciol with inter mediate vision and extended depth of focus without any ring on optic, with 360 degree square posterior ed ge. (3) optical biometry a constant 119.2 - 119.3. refractive index 1.47 -1.48 or near to corneal refractive i ndex (4) posterior spherical and anterior aspheric surface with haptics offset from optics. (5) optic diamete r ? 6 mm to 6.25mm. (6) overall diameter ? 13 mm to 13.25mm with frosted haptic design. (7) iol, suitable catridge and injector/preloaded system is to be supplied in a sterile pack. (8) facility for exchange of iol for the dioptric matching of iol with individual patient to be arranged at the hospital premises and whenever r equired within 12 hours, irrespective of the duration from date of purchase till the consumption of the suppl ied iol has exhausted. (9) shelf life more than 2 years. (10)the manufacturer must have office and store wi th large stock of iol in kolkata/kolkata suberb for providing the facility of exchange for diopter matching. (1 1) satisfactory performance report of iol from preferably railways or govt. institute with supporting purcha se order copy. ]