The association between ocular surface measurements with visual field reliability indices and gaze tracking results in preperimetric glaucoma. “Careful attention should be paid when interpreting GT parameters in patients with SPK or a large TMV,” the researchers concluded.Īrai T, Murata H, Matsuura M, et al. In 2D gaze estimation the task is to predict the coordinate (x, y) of gaze position on the screen (i.e. There are two directions for gaze estimation: 1) 2D gaze estimation and, 2) 3D gaze estimation. After cataracts, glaucoma is the leading cause of blindness among African Americans. Gaze estimation is a task to predict where a person is looking. (2) Glaucoma is the second leading cause of blindness in the world, according to the World Health Organization. Furthermore, high TMV was associated with increased rate of tracking failure frequency per stimulus.įindings not associated with gaze tracking (GT) or ocular surface measurements included fixation losses, false-positives and false-negatives. In the U.S., more than 120,000 are blind from glaucoma, accounting for 9 to 12 of all cases of blindness. Using the Humphrey 24–2 visual field (Zeiss) in conjunction with tear break-up time, Schirmer’s testing, tear meniscus volume (TMV) and superficial punctate keratopathy (SPK) assessment, investigators in Japan found SPK was positively associated with a high frequency of eye movements between 3° and 5°, and even 6° and above. glaucoma such as central acuity loss and disc pallor. Researchers recently discovered visual field results can be negatively affected by certain ocular surface conditions in patients with glaucoma, calling for careful attention when testing these patients.
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