背景:皮质视觉障碍(CVI)是一种可证实的视觉功能障碍,不能归因于前视觉通路的障碍或任何潜在的共同发生的眼部损害。鉴于对CVI引起的视力障碍的最有效干预措施的知识有限,本病例报告为CVI患者成功实施抗弱视治疗提供了有价值的见解.
方法:本病例报告介绍了一名5岁女孩,继发于缺氧缺血性损伤的CVI,导致视力障碍,消化不良,和异常视觉诱发电位测试。这个女孩没有患有弱视,没有相关屈光不正或斜视的证据,所以视觉通路受损是她视觉缺陷的原因。然而,患者接受了抗弱视治疗,治疗12个月后视力显著改善.的改进,由于视觉刺激,是由于通过更好地使用受损的视觉通路而获得了良好的功能恢复。治疗包括处方矫正眼镜和对较好的眼睛进行二次遮挡4个月,又延长了4个月,导致视力进一步提高。
结论:病例报告显示,即使是轻微的屈光不正,实施抗弱视治疗也能显著改善CVI患儿的视力,即使没有共存的弱视。它还强调了CVI儿童早期干预和多学科康复的重要性,专注于运动和认知技能。此外,它强调需要进一步研究以建立基于证据的实践标准来改善CVI儿童的视力.
BACKGROUND: Cortical visual impairment (CVI) is a verifiable visual dysfunction that cannot be attributed to disorders of the anterior visual pathways or any potentially co-occurring ocular impairment. Given the limited knowledge on the most effective interventions for visual impairment resulting from CVI, this case report provides valuable insights into an example of successful implementation of anti-amblyopia therapy in a patient with CVI.
METHODS: This case report presents a 5-year-old girl with CVI secondary to hypoxic-ischemic injury, resulting in visual impairment, dyspraxia, and abnormal visual evoked potential testing. The girl did not suffer from amblyopia, there was no evidence of relevant refractive errors or strabismus, so visual pathway damage was the cause of her visual deficit. Nevertheless, the patient underwent anti-amblyopia therapy and showed significant improvement in visual acuity after 12 months of treatment. The improvement, resulting from visual stimulation, was due to a good functional recovery by a better usage of the damaged visual pathways. The therapy included prescribing corrective glasses and implementing secondary occlusion of the better eye for 4 months, which was protracted for another 4 months, leading to further improvements in visual acuity.
CONCLUSIONS: The case report shows that addressing even minor refractive errors and implementing anti-amblyopia therapy can significantly improve vision in children with CVI, even without co-existing amblyopia. It also highlights the importance of early intervention and multidisciplinary rehabilitation in children with CVI, focusing on motor and cognitive skills. Additionally, it emphasizes the need for further research to establish evidence-based practice standards for improving vision in children with CVI.