Method for Accurate Measurement of Macular Pigment Optical Density Using Autofluorescence Imaging with Melanin Consideration
卷宗概要
发明人
Mohsen Sharifzadeh
IPC 分类
CPC 分类
This invention introduces an improved method for measuring macular pigment optical density (MPOD) using autofluorescence imaging (AFI). Traditional AFI methods often neglect melanin absorption, leading to inaccuracies. The proposed method employs three wavelengths: 488 nm for the main image, 514 nm as a traditional baseline, and 600 nm as an additional baseline to account for melanin absorption. By converting the melanin absorption coefficient from 600 nm to 488 nm and 514 nm, this method ensures precise MPOD measurements. Additionally, a simplified dual-wavelength method is introduced using 488 nm and 600 nm for scenarios requiring less complexity. Both approaches enhance the accuracy of non-invasive retinal imaging by providing a more reliable tool for assessing macular pigment levels and improving our understanding of retinal health.
原文（中文）
This invention introduces an improved method for measuring macular pigment optical density (MPOD) using autofluorescence imaging (AFI). Traditional AFI methods often neglect melanin absorption, leading to inaccuracies. The proposed method employs three wavelengths: 488 nm for the main image, 514 nm as a traditional baseline, and 600 nm as an additional baseline to account for melanin absorption. By converting the melanin absorption coefficient from 600 nm to 488 nm and 514 nm, this method ensures precise MPOD measurements. Additionally, a simplified dual-wavelength method is introduced using 488 nm and 600 nm for scenarios requiring less complexity. Both approaches enhance the accuracy of non-invasive retinal imaging by providing a more reliable tool for assessing macular pigment levels and improving our understanding of retinal health.