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Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
Visual and refractive pattern in patients with comitant large angle esotropia
Masoud Khorrami-Nejad1,2, Mohammad Reza Akbari2, Babak Masoomian2
1School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
BMC Ophthalmology
|July 18, 2026
Summary
Large-angle esotropia significantly impacts vision, with strabismic amblyopia being a primary concern. Early diagnosis and intervention are crucial for preventing long-term visual deficits in patients with this condition.
Area of Science:
- Ophthalmology
- Strabismology
Background:
- Large-angle esotropia is a complex strabismic condition characterized by a significant inward deviation of the eyes.
- Understanding its impact on visual acuity and refractive error is essential for effective management.
Purpose of the Study:
- To evaluate visual acuity, refractive error, and angle of deviation in patients with large-angle esotropia.
- To investigate age-related differences in the magnitude of deviation in this patient cohort.
Main Methods:
- Retrospective review of medical records for 370 patients diagnosed with large-angle esotropia (horizontal deviation ≥ 50 prism diopters).
- Data collected included demographic information, corrected distance visual acuity (CDVA), cycloplegic refractive error, and angle of deviation.
- Amblyopia severity and etiology were classified based on clinical findings.
Main Results:
- The mean horizontal angle of deviation was 72.2 ± 14.08 prism diopters.
- Patients exhibited significant differences in CDVA between strabismic and non-strabismic eyes (p < 0.001).
- The magnitude of deviation was greater in older adults (41-81 years) compared to children (4-18 years) (p < 0.001).
Conclusions:
- Large-angle esotropia is linked to substantial visual impairments, predominantly strabismic amblyopia.
- Early diagnosis and timely, individualized interventions are vital to mitigate long-term visual deficits.
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