| HPH — Diathermy, Microwave, For Use Other Than Applying Therapeutic Deep Heat | Class 3 / PM |
| HPI — Aid, Vision, Optical, Ac-Powered | Class 1 / OP |
| HPJ — Instrument, Visual Field, Laser | Class 2 / OP |
| HPK — Tonograph | Class 2 / OP |
| HPL — Device, Fixation, Ac-Powered, Ophthalmic | Class 1 / OP |
| HPM — Locator, Metal, Electronic | Class 2 / OP |
| HPN — Magnet, Permanent | Class 1 / OP |
| HPO — Magnet, Ac-Powered | Class 2 / OP |
| HPP — Headlamp, Operating, Battery-Operated | Class 1 / OP |
| HPQ — Headlamp, Operating, Ac-Powered | Class 2 / OP |
| HPS — Unit, Cryophthalmic | Class 2 / OP |
| HPT — Perimeter, Automatic, Ac-Powered | Class 1 / OP |
| HPW — Probe And Counter, Isotope, For Phosphorus 32 | Class 2 / OP |
| HPX — Lens, Contact (Polymethylmethacrylate) | Class U / OP |
| HPY — Unit, Electrolysis, Battery-Powered, Ophthalmic | Class 1 / OP |
| HPZ — Implant, Eye Sphere | Class 2 / OP |
| HQA — Unit, Cryotherapy, Ophthalmic | Class 2 / OP |
| HQB — Photocoagulator And Accessories | Class 2 / OP |
| HQC — Unit, Phacofragmentation | Class 2 / OP |
| HQD — Lens, Contact (Other Material) - Daily | Class 2 / OP |
| HQE — Instrument, Vitreous Aspiration And Cutting, Ac-Powered | Class 2 / OP |
| HQF — Laser, Ophthalmic | Class 2 / OP |
| HQG — Lens, Spectacle, Non-Custom (Prescription) | Class 1 / OP |
| HQH — Eye, Artificial, Non-Custom | Class 1 / OP |
| HQJ — Implant, Absorbable, (Scleral Buckling Methods) | Class 2 / OP |
| HQL — Intraocular Lens | Class 3 / OP |
| HQM — Keratoprosthesis, Permanent Implant | Class 2 / OP |
| HQN — Conformer, Ophthalmic | Class 2 / OP |
| HQO — Unit, Cautery, Thermal, Ac-Powered | Class 2 / OP |
| HQP — Unit, Cautery, Thermal, Battery-Powered | Class 2 / OP |
| HQQ — Apparatus, Cautery, Radiofrequency, Battery-Powered | Class 2 / OP |
| HQR — Apparatus, Cautery, Radiofrequency, Ac-Powered | Class 2 / OP |
| HQS — Burr, Corneal, Ac-Powered | Class 1 / OP |
| HQT — Shell, Scleral | Class 2 / OP |
| HQW — Clip, Tantalum, Ophthalmic | Class 2 / OP |
| HQX — Implant, Orbital, Extra-Ocular | Class 2 / OP |
| HQY — Sunglasses (Non-Prescription Including Photosensitive) | Class 1 / OP |
| HQZ — Frame, Spectacle | Class 1 / OP |
| HRB — Microscope, Operating, Non-Electric, Ophthalmic | Class 1 / SU |
| HRC — Sterilizer, Soft-Lens, Thermal, Battery-Powered | Class 2 / OP |
| HRD — Sterilizer, Soft-Lens, Thermal, Ac-Powered | Class 2 / OP |
| HRE — Cabinet, Instrument, Ac-Powered, Ophthalmic | Class 1 / OP |
| HRF — Engine, Trephine, Accessories, Battery-Powered | Class 1 / OP |
| HRG — Engine, Trephine, Accessories, Ac-Powered | Class 1 / OP |
| HRH — Trephine, Manual, Ophthalmic | Class 1 / OP |
| HRI — Pupillograph | Class 1 / OP |
| HRJ — Table, Instrument, Powered, Ophthalmic | Class 1 / OP |
| HRK — Table, Instrument, Manual, Ophthalmic | Class 1 / OP |
| HRL — Unit, Beta, Radiation, Ophthalmic | Class 2 / OP |
| HRM — Microscope, Operating & Accessories, Ac-Powered, Ophthalmic | Class 1 / SU |