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שיטה ומכשיר למדידת לחץ באמצעות החזר
专利权人:
Reichert Inc.;Gabriel N. MARTIN
发明人:
Gabriel N. MARTIN
申请号:
IL26640819
公开号:
IL266408D0
申请日:
2019.05.02
申请国别(地区):
IL
年份:
2019
代理人:
摘要:
Viscoelastic properties of the cornea are derived from an ophthalmic measurement signal representing velocity as a function of time of a contact probe rebounded by the eye. The viscoelastic properties include a "Lost Energy Ratio" (LER), a "Time Shift" (TS), a damping parameter (σ), and an elastic parameter (η). An improved method for determining intra-ocular pressure from the measurement signal is also disclosed, wherein a first derivative of the measurement signal at a moment in time when velocity of the probe is zero due to contact of the probe with the cornea is calculated and correlated to an intra-ocular pressure value.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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