What does this research mean for the field?

Objective monitoring of intermittent exotropia using the Binocular Eye Alignment Monitor (BEAM) yields consistently smaller deviation measurements and captures different aspects of control compared to standard clinical assessments. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To compare objective assessments of intermittent exotropia (IXT) deviation magnitude and control measured with the binocular eye alignment monitor (BEAM) against conventional clinical examinations.

September 5, 2026Ophthalmic and Physiological OpticsOpen Access

Objective Assessment of Intermittent Exotropia Magnitude and Control Using the Binocular Eye Alignment Monitor

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Authors

EJErin C. Jenewein CMChristopher J. Morris MSMitchell Scheiman

Discussion

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Overview

Observational study reveals differences between automated eye alignment monitoring and clinical tests in intermittent exotropia, suggesting extended recording captures unique control dynamics.

Key Points

To compare objective assessments of intermittent exotropia (IXT) deviation magnitude and control measured with the binocular eye alignment monitor (BEAM) against conventional clinical examinations.
Evaluated 15 participants aged 8–35 years across two separate study visits.
Collected 90-minute BEAM eye movement recordings at distance (6 m) to objectively quantify deviation magnitude and alignment control.
Compared BEAM outputs with standard clinical assessments, including the mean of three IXT Office Control Scale evaluations and the prism alternate cover test (PACT).
IXT office control scores (mean 2.2 ± 1) correlated weakly with the BEAM percentage of time strabismic (Spearman's ρ = 0.29, p = 0.30).
Distance PACT and mean BEAM deviation size showed a moderate, non-significant correlation (ρ = 0.47, p = 0.08), with BEAM measurements consistently smaller than PACT.
Significant inter-visit differences occurred for IXT distance control (0.44; 95% CI: 0.04–0.80; p = 0.03) and median BEAM deviation size (z = −2.1, p = 0.03), whereas BEAM percentage of time deviated remained stable across visits (z = −0.63, p = 0.50).

Cite This Study

Jenewein et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd49d6b95aff0620ec59c https://doi.org/10.1007/s44402-026-00179-0

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September 5, 2026Ophthalmic and Physiological OpticsOpen Access

Objective Assessment of Intermittent Exotropia Magnitude and Control Using the Binocular Eye Alignment Monitor

View Full Paper

Ask AI

Bookmark

Authors

EJErin C. Jenewein CMChristopher J. Morris MSMitchell Scheiman

Discussion

Member takes

Overview

Observational study reveals differences between automated eye alignment monitoring and clinical tests in intermittent exotropia, suggesting extended recording captures unique control dynamics.

Key Points

To compare objective assessments of intermittent exotropia (IXT) deviation magnitude and control measured with the binocular eye alignment monitor (BEAM) against conventional clinical examinations.
Evaluated 15 participants aged 8–35 years across two separate study visits.
Collected 90-minute BEAM eye movement recordings at distance (6 m) to objectively quantify deviation magnitude and alignment control.
Compared BEAM outputs with standard clinical assessments, including the mean of three IXT Office Control Scale evaluations and the prism alternate cover test (PACT).
IXT office control scores (mean 2.2 ± 1) correlated weakly with the BEAM percentage of time strabismic (Spearman's ρ = 0.29, p = 0.30).
Distance PACT and mean BEAM deviation size showed a moderate, non-significant correlation (ρ = 0.47, p = 0.08), with BEAM measurements consistently smaller than PACT.
Significant inter-visit differences occurred for IXT distance control (0.44; 95% CI: 0.04–0.80; p = 0.03) and median BEAM deviation size (z = −2.1, p = 0.03), whereas BEAM percentage of time deviated remained stable across visits (z = −0.63, p = 0.50).

Cite This Study

Jenewein et al. (2026) studied this question.

synapsesocial.com/papers/6a9bd49d6b95aff0620ec59c https://doi.org/10.1007/s44402-026-00179-0

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