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  • Title: The effects of CAM vision stimulator for bilateral amblyopia of different etiologies.
    Author: Huang HM, Kuo HK, Fang PC, Lin HF, Lin PW, Lin SA.
    Journal: Chang Gung Med J; 2008; 31(6):592-8. PubMed ID: 19241899.
    Abstract:
    BACKGROUND: To evaluate the association between bilateral amblyopia and the effects of CAM vision stimulator. METHODS: This retrospective study was carried out between January 1994 and July 2004. The 105 children enrolled were all younger than 7 years old and had bilateral amblyopia. All children wearing full-correction glasses regularly received CAM vision stimulation once per week. The patients' age, initial best corrected visual acuity (BCVA), final BCVA, and the number of CAM sessions needed to achieve a visual acuity (VA) > or = 0.8 were recorded. RESULTS: The major cause of bilateral amblyopia was refractive error. In this study, the types of refractive error were classified as astigmatism (> 2.0D, 61 cases), hyperopia (> 3.0D, 17 cases), and myopia (> 4.0D, 12 cases). The myopic group showed significantly poorer visual outcomes than the other children after CAM treatment (p < 0.05). However, older children patients had better initial BCVA, and the hyperopic patients had the better outcomes in this study. CONCLUSIONS: CAM treatment for bilateral amblyopia can achieve satisfactory improvement in 3 months in most instances. The myopic group and children younger than 4 years old had worse visual outcomes after CAM treatment.
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