| MY MASK-E | 08056389700651 | ESPANSIONE MARKETING SPA | Class IIa | |
| neos | 07649989541017 | machineMD AG | Class IIa | |
| Neutral Density Bar | +B091151180Z | Gulden Ophthalmics | Class I | |
| Newline II | 08056628650006 | Nelthema srls | Class I | |
| New Simplex III | 08056628650013 | Nelthema srls | Class I | |
| NGENUITY | 00380650003997 | Alcon Laboratories, Inc. | Class IIa | |
| Non-Mydriatic Auto Fundus Camera AFC-1 | 04987669204528 | NIDEK.CO.Ltd., | Class IIa | |
| Non-Mydriatic Auto Fundus Camera AFC-330 | 04987669100554 | NIDEK.CO.Ltd., | Class IIa | |
| Non-mydriatic Fundus Camera | 04719876420015 | Crystalvue Medical Corporation | Class IIa | |
| Non-mydriatic Fundus Camera | 04719876420077 | Crystalvue Medical Corporation | Class IIa | |
| Non-mydriatic Fundus Camera | 04719876420107 | Crystalvue Medical Corporation | Class IIa | |
| Non-mydriatic Fundus Camera | 04719876420114 | Crystalvue Medical Corporation | Class IIa | |
| Non-mydriatic Fundus Camera | 04719876420282 | Crystalvue Medical Corporation | Class IIa | |
| nun+ | 08800065600014 | WikiOptics Inc. | Class I | |
| OCCHIALINO OVALE ROSSO/VERDE | 08053840550084 | C.O.I. Compagnia Ottica Italiana srl | Class I | |
| Occluder Black | +B091121120Q | Gulden Ophthalmics | Class I | |
| Occluder Black Short | +B091121100O | Gulden Ophthalmics | Class I | |
| Occluder & Maddox | +B091121220R | Gulden Ophthalmics | Class I | |
| Occluder & Red Lens | +B091121210Q | Gulden Ophthalmics | Class I | |
| Occluder White | +B091121170V | Gulden Ophthalmics | Class I | |
| Ocular Surface Analyzer DA-1 | 06973211070763 | ChongQing SunKingdom Medical Instrument Co., Ltd. | Class I | |
| Offset Strut Table | 05060660330034 | Evans (Instruments) Ltd | Class I | |
| Ohlson Vital Stain Enhancement Filter | +B091121350V | Gulden Ophthalmics | Class I | |
| OMA (810 nm) | 00813125010584 | Iridex Corporation | Class I | |
| OMA (810 nm) | 00813125010591 | Iridex Corporation | Class I | |
| OMA (810 nm) | 00813125010645 | Iridex Corporation | Class I | |
| Operating Microscope | 06972039970064 | Shenzhen CERTAINN Technology Co., Ltd. | Class I | |
| Operating Microscope | 06972039970286 | Shenzhen CERTAINN Technology Co., Ltd. | Class I | |
| Operating Microscope | 06972039970293 | Shenzhen CERTAINN Technology Co., Ltd. | Class I | |
| OPHTALMOLOGY INSTRUMENTS FOR EVALUATION AND DIAGNOSIS - OTHERS | 06971922134040 | CHONGQING YEASN SCIENCE - TECHNOLOGY CO., LTD | Class I | |
| OPHTALMOLOGY INSTRUMENTS FOR EVALUATION AND DIAGNOSIS - OTHERS | 06971922134095 | CHONGQING YEASN SCIENCE - TECHNOLOGY CO., LTD | Class I | |
| Ophthalmic Slit Lamp Microscope | 06977873520000 | Chongqing Fanji Medical Equipment Co., Ltd. | Class I | |
| Ophthalmic Slit Lamp Microscope | 06977873520017 | Chongqing Fanji Medical Equipment Co., Ltd. | Class I | |
| Ophthalmic Slit Lamp Microscope | 06977873520024 | Chongqing Fanji Medical Equipment Co., Ltd. | Class I | |
| Optase MX2 | 05391531761818 | Scope Ophthalmics Limited | Class I | |
| Optical Coherence Tomography RS-1 | 04987669203705 | NIDEK.CO.Ltd., | Class IIa | |
| Optical Coherence Tomography RS-3000 Advance | 04987669100516 | NIDEK.CO.Ltd., | Class IIa | |
| Optical Coherence Tomography RS-330 | 04987669101100 | NIDEK.CO.Ltd., | Class IIa | |
| Optical Coherence Tomography RSD-1 | 04987669204542 | NIDEK.CO.Ltd., | Class IIa | |
| Optomed Lumo Camera | 06430046260962 | Optomed Oyj | Class IIa | |
| Orthoptic Booklet 6/18 - 6/6 yellow cover | 05055272721127 | Keeler Ltd | Class I | |
| Orthoptic Booklet 6/60 - 6/18 red cover | 05055272721097 | Keeler Ltd | Class I | |
| Orthoptic Booklet 6/6 - 6/3 green cover | 05055272721103 | Keeler Ltd | Class I | |
| Orthoptic Booklet Near Vision blue cover | 05055272721073 | Keeler Ltd | Class I | |
| OSA | 08056149880012 | SBM SISTEMI S.R.L. | Class I | |
| OTTOTIPO 5 METRI | 08053840550121 | C.O.I. Compagnia Ottica Italiana srl | Class I | |
| OTTOTIPO E SNELLEN 5 METRI | 08053840550145 | C.O.I. Compagnia Ottica Italiana srl | Class I | |
| OTTOTIPO JAEGER & SNELLEN PER VICINO | 08053840550213 | C.O.I. Compagnia Ottica Italiana srl | Class I | |
| OTTOTIPO LANDOLT 5 METRI | 08053840550138 | C.O.I. Compagnia Ottica Italiana srl | Class I | |
| OTTOTIPO LUMINOSO LED | 08053840550169 | C.O.I. Compagnia Ottica Italiana srl | Class I | |