| Sumario: | Background: Intermittent exotropia is an outward misalignment of the eyes that is occasionally manifested when fusional mechanisms are exhausted. It can be preceded by an exophoria and can potentially worsen over time if left untreated. Treatment includes surgical and non-surgical options. Factors to consider in determining the optimal treatment plan may include the patient's age, cosmesis, and binocular status, as well as the frequency and magnitude of the deviation. Case Report: This case illustrates the use of overminus lens therapy as a passive treatment for intermittent exotropia of the divergence-excess type in a three-year-old female. Treatment resulted in stable visual acuities, decreased frequency of the exotropia, and improvement in distance stereoacuity. Conclusion: Overminus lens therapy can be an effective treatment for intermittent exotropia of the divergence-excess type, especially for young patients who may not respond well to other treatment options. Close monitoring of these patients is essential for early treatment intervention with the goal of preserving and enhancing binocular vision.
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