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Effect of monocular fixation in binocular field (MFBF) on amblyopia - a pilot study comparing it with patching
Manjula Jayakumar1, Helen Gracy Raju2, Amar Agarwal3
1Dr Agarwal's Eye Hospital Cathedral, Strabismus & Pediatric Ophthalmology , Chennai.
Strabismus
|September 3, 2020
Summary
This study compared patching to a new vision therapy for anisometropic amblyopia in children. While both methods improved vision, the new therapy offered better patient experience and compliance, making it a viable alternative.
Area of Science:
- Ophthalmology
- Pediatric Vision
- Amblyopia Treatment
Background:
- Anisometropic amblyopia is a common cause of reduced vision in children.
- Traditional patching therapy can suffer from poor compliance and patient discomfort.
- Novel therapeutic approaches are needed to improve treatment adherence and outcomes.
Purpose of the Study:
- To compare the efficacy of traditional patching with a novel multifocal binocular fixation (MFBF) therapy for anisometropic amblyopia.
- To evaluate patient and parental perspectives on the MFBF system compared to patching.
Main Methods:
- A 6-month prospective study involving 54 children (ages 4-15) with anisometropic amblyopia.
- Participants were divided into two groups: traditional patching (n=24) and MFBF therapy (n=30).
- Best-corrected visual acuity (BCVA) was assessed at baseline and throughout the study.
Main Results:
- Both patching and MFBF groups showed significant visual acuity gains.
- The MFBF group demonstrated a clinically greater improvement of 5 log MAR lines versus 3 log MAR lines for patching.
- While not statistically superior in efficacy, MFBF offered enhanced patient/parental satisfaction due to gamification and compliance monitoring.
Conclusions:
- Multifocal binocular fixation (MFBF) therapy is a promising alternative to patching for anisometropic amblyopia, particularly for non-compliant children.
- The MFBF system addresses key limitations of patching, including discomfort, social stigma, and the need for intensive parental monitoring.
- This study represents the first large cohort investigation into the effectiveness and acceptance of MFBF therapy.

