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ORIGINAL ARTICLE
Year : 2006  |  Volume : 54  |  Issue : 4  |  Page : 257-260

Efficiency of occlusion therapy for management of amblyopia in older children


Department of Ophthalmology, Postgraduate Institute of Medical Education and Research, Chandigarh, Punjab, India

Correspondence Address:
Gagandeep S Brar
Department of Ophthalmology, PGIMER, Chandigarh - 160 012
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0301-4738.27951

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Materials and Methods: This was a retrospective consecutive case series analysis of children treated for amblyopia at a tertiary care center. All children received full time occlusion (FTO) for the dominant eye. Results: Eighty-eight children older than 6 years at the time of initiation of therapy were included. Age at initiation of therapy ranged from 6 to 20 years (9.45 3.11 years). Forty-two children (47.7%) had strabismic amblyopia, 37 (42.0%) had anisometropic amblyopia and 9 (10.2%) had a combination of strabismic and anisometropic amblyopia. Eighty out of 88 eyes (90.0%) had improvement in visual acuity following FTO. Visual acuity (VA) improved from 0.82 0.34 at presentation to 0.42 0.34 ( P < 0.001) after FTO. In children with strabismic amblyopia, VA improved from 0.81 0.42 to 0.42 0.39 ( P < 0.001). In children with anisometropic amblyopia, visual acuity of the amblyopic eye improved from 0.82 0.24 to 0.36 0.29 ( P < 0.001) following FTO. Out of 13 children older than 12 years, only 6 children (46.1%) had improvement in VA. Mean follow-up after complete stoppage of occlusion was 8.37 1.78 months. Conclusion: Occlusion therapy yields favorable results in strabismic and/or anisometropic amblyopia, even when initiated for the first time after 6 years of age. After 12 years of age, some children may still respond to occlusion of the dominant eye.


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