US Patent Issued to Duke University on Nov. 3 for "Systems and methods for applanation tonometry and tonography" (North Carolina Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,778,420, issued on Nov. 3, was assigned to Duke University (Durham, N.C.).

"Systems and methods for applanation tonometry and tonography" was invented by Joanne C. Wen (Durham, N.C.), Erin Simons (Cary, N.C.) and Scott Liddle (Cary, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems, devices, and methods for measuring intraocular pressure of the eye are disclosed. More particularly, the improved systems, devices, and methods enable the use of applanation tonometry and tonography to make such measurements using a portable, handheld applanation device. The applanation devices apply a constant fixed force to the surface of the eye. The resulting ap...