procurement of opthalmo items , hydrophobic transparent zero aberration with 360 degree posterior square edge , aspheric advance optic acrylic foldable iol with fenestraton holes c-loops step vaulted haptics, gamma steilised, us fda approved glistening free, uv blocker capacity, a-constant 118.7 packaged in 0.9% physiological saline solution with compatible single use injector and cartridge. injector systems will be tested specifically for ease of loading and injection. company should undertake to supply lenses as per the iol powers demanded by department and to exchange any iol for different powers as demanded from time to time at the convenience of the department . company must also undertake to replace iols as and when demanded by the department if any lens is found defective or could not be implanted , safety guard cataract knife system with slider and nonslip grip 1.5 mm side port knife