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Updated: Jul 7, 2026
07:06
Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients
Published on: March 29, 2022
Cyclic esotropia.
Ah Akhanda1, T Ahmed, Ma Quayum
1Department of Ophthalmology, Mymensingh Medical College, Mymensingh, Bangladesh.
Mymensingh Medical Journal : MMJ
|February 21, 2008
Summary
Cyclic esotropia, a rare eye condition, involves alternating squinting and normal vision. This case study details a child
Area of Science:
- Ophthalmology
- Pediatric Ophthalmology
- Strabismus
Background:
- Cyclic esotropia is a rare form of strabismus characterized by alternating periods of esotropia and binocular single vision (BSV).
- Early diagnosis and management are crucial for preventing amblyopia and maintaining binocular function.
Observation:
- A 5-year-old female presented with a 3-year history of intermittent left eye (L/E) squinting.
- The squinting episodes occurred daily, starting in the morning and resolving by the next day, with a gradually shortening interval between episodes.
- On examination during the esotropic phase, she exhibited a 50 prism diopter left esotropia with alternate suppression and normal ocular motility.
Findings:
- The patient had normal visual acuity (6/6, N5) and was hypermetropic (+0.50 Dsph) on cycloplegic refraction.
- During non-esotropic periods, she demonstrated BSV with positive stereopsis (40 seconds of arc on Titmus test).
- No abnormalities were found in the anterior or posterior segments of the eyes.
Implications:
- Surgical correction, such as bilateral medial rectus recession or a combination of medial rectus recession and lateral rectus resection, is a viable treatment option.
- Tailoring surgical intervention based on the measured esotropia during symptomatic periods is recommended.
- This case highlights the importance of recognizing the cyclical nature of esotropia for timely and effective management.
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