The curvature measurement of the human eyeball

Yun Long Lay, Rong Seng Chang, Pei Wen Chen, Ming Chang Tu

研究成果: 雜誌貢獻期刊論文同行評審

2 引文 斯高帕斯(Scopus)

摘要

The curvature of the cornea in the ophthalmology field is essential data, especially for humans when they are being tested for wearing contact lenses, or for patients undergoing refractive surgery by either knife or laser. It is extremely difficult to measure the curvature of the eye precisely because the measurement of the cornea, using a contact tool, is not possible. In this paper, we propose a method to measure the curvature using lens aberration theory and an image processing technique. We project a circular grating, known as a Placido disc, on to the cornea. The reflective image does not have equal divisions and this distortion value contains the curvature information.

原文???core.languages.en_GB???
頁(從 - 到)339-344
頁數6
期刊Optics and Laser Technology
29
發行號6
DOIs
出版狀態已出版 - 9月 1997

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