Estimating the Reliability of Glaucomatous Visual Field for the Accurate Assessment of Progression Using the Gaze-Tracking and Reliability Indices.

Ophthalmology. Glaucoma
Ryo AsaokaHiroshi Murata

Abstract

To investigate the usefulness of visual field (VF) reliability indices and gaze tracking (GT) for the accurate assessment of progression in glaucoma. Institutional practice. Four hundred eighty-three eyes of 304 patients with open-angle glaucoma. In each eye, a series of 10 VFs were examined. Using the GT chart at the bottom of the VF printout (Humphrey Field Analyzer, Swedish interactive threshold algorithm standard), average tracking failure frequency (TFF), average blinking frequency (BF), and the total amount of eye movement per stimulus (MPS) were calculated. Mean total deviation (mTD) was calculated based on the 52 total deviation values in each 24-2 VF, and linear regression was applied to the series of mTD measurements over time. Progression was deemed to have occurred based on 2 separate definitions: (1) the mTD rate across all 10 VFs (VF1-10) was significant (P < 0.05) and less than 0 dB/year and (2) the mTD rate was less than -0.5 dB/year and significant at P < 0.05. The mTD rate also was calculated in shorter VF series (VF1-5-VF1-9). The area under the receiver operating characteristic curve (AUC) was calculated from the relationship between mTD rates of shorter VF series (n < 10) and the diagnosis of progression in...Continue Reading

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Citations

Aug 29, 2020·Translational Vision Science & Technology·Pete R JonesDavid P Crabb
Jul 20, 2021·American Journal of Ophthalmology·Andrew Steven CampRobert N Weinreb

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