Description: The Regional Institute of Ophthalmology (RIO), MCH Campus, Kolkata, has invited the 3rd Call e-Tender (Memo No. RIO-2026/726) for the selection of Indian or foreign manufacturers, importers, authorized agents, or authorized distributors for the supply of Foldable Multipiece Lens IOL. Interested bidders must submit their technical and financial bids on or before 20 August 2026, 6:00 PM. Contact Details: Director, Regional Institute of Ophthalmology (RIO) MCH Campus, Kolkata – 700073, West Bengal Website: https://wbtenders.gov.in Website: http://riokolkata.in