Age related changes in the optics of adult human eyes

成年人眼睛光学的年龄相关变化

• 批准号: nhmrc : 290500
• 负责人: George Smith
• 金额: $ 13.3万
• 依托单位: Queensland University of Technology
• 依托单位国家: 澳大利亚
• 项目类别: NHMRC Project Grants
• 财政年份: 2004
• 资助国家: 澳大利亚
• 起止时间: 2004-01-01 至 2006-12-31
• 项目状态: 已结题
• 来源: https://researchdata.edu.au/age-related-changes-human-eyes/95452
• 关键词: Age; related; changes; optics; adult

Vision is limited by both optical and retinal-neural factors. Our understanding of the optical structure of the human eye is limited, partcularly for the refractive index gradient of the lens, let alone how these change with age. This understanding is needed if we are to accurately predict or assess the long-term effects of refractive surgical procedures or ophthalmic prostheses on vision. In this project, we aim to substantially improve our understanding of the optical properties of the eye by 1) developing methods for measuring these quantities and then applying the methods to investigate how these properties vary with age and focussing, and 2) determine the optical contribution to reduction in visual performance with increasing age. Our research will be used to determine norms for growth and aging patterns in the normal human eye, particularly the lens. It will yield significant outcomes through 1. determination of the long-term success of custom refractive surgery aimed at improving vision by eliminating the ocular aberrations, and 2. indicating the potential improvement in ocular performance provided by artificial intraocular lenses or any other type of correction.

视力受到视觉和视网膜神经因素的限制。我们对人眼光学结构的了解是有限的，特别是对晶状体的折射率梯度，更不用说这些随年龄的变化了。如果我们要准确地预测或评估屈光手术或眼科假体对视力的长期影响，就需要了解这一点。在这个项目中，我们的目标是通过以下方式大大提高我们对眼睛光学特性的理解：1)开发测量这些量的方法，然后应用这些方法来研究这些特性如何随着年龄和聚焦而变化；2)确定随着年龄增长视觉性能下降的光学贡献。我们的研究将用于确定正常人眼的生长和衰老模式，特别是晶状体。它将产生显著的结果到1。2.确定通过消除眼像差来改善视力的定制屈光手术的长期成功。表明人工晶状体或任何其他类型的矫正所提供的视力的潜在改善。