Method of performing a lasik procedure and tonometer system for use therewith
US6730073B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 29, 2001 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Jun 24, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2009/00872
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method of performing a LASIK procedure. The method includes providing LASIK instrumentation, preferably including an automated microkeratome instrument and an excimer laser. The microkeratome device includes both a microkeratome as well as a suction ring. A high-pressure range tonometer instrument is also provided. The tonometer includes a probe for sensing a parameter of the eye indicative of intraocular pressure, and is capable of providing intraocular pressure measurements in excess of 80 mm Hg; more preferably in excess of 100 mm Hg; most preferably up to or in excess of 120 mm Hg. The suction ring is positioned over the patient's eye, and a vacuum applied. The high-pressure range tonometer probe is positioned relative to the eye so as to sense a parameter indicative of intraocular pressure. The measured intraocular pressure is then provided to the surgeon. Based upon the measured intraocular pressure, the surgeon determines whether the corneal site is properly prepared for optimal microkeratome incision. For example, the surgeon determines whether the measured intraocular pressure meets or exceeds a minimum value. In one preferred embodiment, the intraocular pressure must be…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.