European Open Procedure Tender Pursuant To Art. 71 Of Legislative Decree 36/2023 Via A Telematic Intermediation Platform Called Sintel For The Assignment Of Rental Supplies, For A Period Of 5 Years, Including "Full Risk" Assistance And Maintenance, Of No. 1 Operating Microscope For Ophthalmic Surgery, With Three-Dimensional (3D) Image Generation And Integrated Optical Coherence Tomography (Oct) System, Intended For Sc. Ophthalmology (San Bartolomeo Hospital Operating Block In Sarzana)