Comparison of novel clinic-based approach (amblyopia school) Vs. home-based occlusion for amblyopia therapy – A retrospective study
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Date
2023-05
Journal Title
Journal ISSN
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Publisher
All India Ophthalmological Society
Abstract
Purpose: To compare visual outcomes of standard occlusion therapy at home versus clinic in amblyopic children. Methods: A retrospective study of case records of children aged <15 years with diagnosis of strabismic or anisometropic amblyopia or both was conducted at a tertiary eye hospital located in rural North India between Jan 2017–Jan 2020. Those with at least 1 follow?up visit were included. Children with ocular co?morbidities were excluded. Treatment in clinic by admission or at home was based on the parents’ discretion. Children in clinic group underwent part time occlusion & near work exercises for minimum 1 month, in classroom format which we called amblyopia school. Those in home group underwent part time occlusion as per PEDIG recommendations. Primary outcome measure was improvement in number of Snellen’s lines at the end of 1 month & at final follow?up. Results: We included 219 children with mean age of 8.8±3.23 years, out of which clinic group had 122 (56%) children. At one?month, visual improvement in clinic group (2.1±1.1 lines) was significantly greater than home group (mean=1.1±0.8 lines) (P < 0.001). Both groups continued to improve vision on follow?up, however the vision in the clinic group (2.9±1.2 lines improvement at mean follow?up of 4.1±1.6 months), continued to be better than home group (2.3±1.1 lines improvement at mean follow?up 5.1±0.9 months) (P = 0.05). Conclusion: Clinic based amblyopia therapy in the form of an amblyopia school can help expedite visual rehabilitation. Thus, it may be a better option for rural settings where patients in general tend to be poorly compliant.
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Keywords
Amblyopia, amblyopia school, compliance, treatment outcome, visual acuity
Citation
Bhattacharya Subhajit, Subhedar Ketaki, Bhadauria Madhu, Shukla Ranjana, Manaktala Ruchita, Kumar Abhinav, Wilson Ayush. Comparison of novel clinic-based approach (amblyopia school) Vs. home-based occlusion for amblyopia therapy – A retrospective study. Indian Journal of Ophthalmology. 2023 May; 71(5): 2094-2099