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Systems and methods for imaging the fundus of the eye
专利权人:
发明人:
申请号:
EP12170121.3
公开号:
EP2668894A1
申请日:
2012.05.30
申请国别(地区):
EP
年份:
2013
代理人:
摘要:
Methods and systems for imaging the fundus of the eye (18) are disclosed, in which the fundus (18) is illuminated (32) through a mask (42) which blocks light from reaching one or more masked regions (26) within a peripheral area surrounding a target area of interest, such as the macular region. An image is obtained (36) of both the target area and the peripheral area. A scattered light value (S) is derived from the image intensity (µ) within the masked regions (26), and this is used to compensate and adjust the measured intensity of light (µ) within the target area. When employed in the measurement of macular pigment optical degeneration (MPOD), an improved measurement is obtained in which the specific image(s) used for measurement have a specifically calculated correction factor (SB, SG) applied to compensate for light scatter, rather than relying on population-based average scattering values.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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