Devices descending from K943939
19 later devices reach Non-Contact Tonometer T-2 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K021937 | TGDC-01 Pra | Truevision Instruments | 2002 | 11 | — |
| +1 | K963079 | Canon TX-10 Tonometer | Canon USA, Inc. | 1997 | 6 | — |
| +2 | K063873 | Icare Tonometer TA01I | Tiolat OY | 2007 | 8 | — |
| +2 | K060780 | Tonometer Diaton | Ryazan State Instruments | 2006 | 1 | — |
| +2 | K023816 | Canon Full Auto Tonometer TX-F | Canon, Inc.-Utsunomiya Optical Products Operation | 2002 | 5 | — |
| +3 | K190382 | Intraocular Pressure Tonometer EASYTON | Company Elamed | 2019 | 0 | — |
| +3 | K163343 | Icare HOME tonometer | Icare Finland OY | 2017 | 2 | — |
| +3 | K153694 | Icare ic100 | Icare Finland OY | 2016 | 4 | — |
| +3 | K111710 | Full Auto Tonometer Model TX-20 | Canon Inc. -Medical Equipment Group | 2011 | 3 | — |
| +3 | K073087 | Non-Contact Tonometer, Model FT-1000 | Tomey Corporation | 2008 | 0 | — |
| +4 | K233516 | Tono-Vera® Tonometer and Ocu-Dot® Tonometer Probes (16305, 16306, 16318) | Reichert, Inc. | 2024 | 0 | — |
| +4 | K200966 | Icare HOME Tonometer | Icare Finland OY | 2020 | 1 | — |
| +4 | K190316 | Icare ic200 | Icare Finland OY | 2020 | 2 | — |
| +4 | K180820 | Tono Vue Non-Contact Tonometer | Crystalvue Medical Corporation | 2018 | 2 | — |
| +5 | K253039 | Auto Kerato-Refracto Tonometer TRK-3 Omnia | Topcon Corporation | 2025 | 0 | — |
| +5 | K223739 | VS Tabletop Tonometer | Medimaging Integrated Solution, Inc. | 2023 | 0 | — |
| +5 | K220852 | iCare IC200 | Icare Finland OY | 2022 | 1 | — |
| +5 | K211355 | iCare HOME2 | Icare Finland OY | 2022 | 0 | — |
| +6 | K241447 | iCare ST500 (TA04) | Icare Finland OY | 2024 | 0 | — |