AI Article Synopsis
- The study investigated the effectiveness of eye tracking glasses in measuring intermittent exotropia, which is when the eyes misalign from each other.
- The research involved 44 patients, where eye tracking glasses captured data over 12 hours, revealing that 31 patients displayed intermittent exotropia with an average misalignment of 19.3° and occurrence rates averaging 40%.
- Findings showed a significant correlation between the degree of eye misalignment and how often it occurred, suggesting that eye tracking may provide valuable insights into the condition.
Article Abstract
Purpose: To explore the utility of eye tracking glasses in patients with intermittent exotropia as a means for quantifying the occurrence of exotropia, defined as the percentage of time that the eyes are misaligned.
Design: Prospective observational study.
Methods: Eye tracking glasses were used to obtain 68 recordings in 44 ambulatory patients with a history of intermittent exotropia. Vergence angle was monitored for up to 12 hours to document the occurrence of exotropia.
Results: Intermittent exotropia was present in 31 of 44 patients. They had a mean exotropia of 19.3 ± 5.3° and a mean occurrence of 40% (range 3-99%). There was a moderate correlation between the magnitude of exotropia and its occurrence (r = 0.59). In 13 patients the occurrence of exotropia was <1%; they were deemed to have an exophoria only. In 35 of 44 cases, families reported an occurrence of intermittent exotropia greater than that measured by the eye tracking glasses.
Conclusions: Eye tracking glasses may be a useful tool for quantifying the severity of intermittent exotropia and for defining more precisely its clinical features.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10266486 | PMC |
| http://dx.doi.org/10.1016/j.ajo.2023.01.014 | DOI Listing |
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