Abstract
We report the use of optical reflectometry technique for evaluation of water film on contact lens. The water film can be measured through the spectral dependent reflectance evaluation, which is carried out by illuminating the contact lens with a white light and collecting the returning light with an optical fiber coupled to a spectrometer. Water film thinning process has been observed on different soft contact lenses and minimum measurable thickness is about 0.85 μm. The measurement is fast and accurate. The water film measurement can be valuable for contact lens design to improve its hydrophilic properties. The technique can be extended for the study of tear film dynamics in an eye.
| Original language | English |
|---|---|
| Title of host publication | Progress in Biomedical Optics and Imaging - Proceedings of SPIE |
| Volume | 7885 |
| DOIs | |
| State | Published - Apr 1 2011 |
| Event | Ophthalmic Technologies XXI - San Francisco, CA, United States Duration: Jan 22 2011 → Jan 24 2011 |
Other
| Other | Ophthalmic Technologies XXI |
|---|---|
| Country | United States |
| City | San Francisco, CA |
| Period | 1/22/11 → 1/24/11 |
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Keywords
- Contact Lens
- Hydrophilic
- Reflectometry
- Water Film
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Electronic, Optical and Magnetic Materials
- Biomaterials
- Radiology Nuclear Medicine and imaging
Cite this
Analysis of water film thickness on contact lens by reflectometry technique. / Wang, Michael Renxun; Lu, Hui; Wang, Jianhua; Shen, Meixiao.
Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 7885 2011. 788503.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution
}
TY - GEN
T1 - Analysis of water film thickness on contact lens by reflectometry technique
AU - Wang, Michael Renxun
AU - Lu, Hui
AU - Wang, Jianhua
AU - Shen, Meixiao
PY - 2011/4/1
Y1 - 2011/4/1
N2 - We report the use of optical reflectometry technique for evaluation of water film on contact lens. The water film can be measured through the spectral dependent reflectance evaluation, which is carried out by illuminating the contact lens with a white light and collecting the returning light with an optical fiber coupled to a spectrometer. Water film thinning process has been observed on different soft contact lenses and minimum measurable thickness is about 0.85 μm. The measurement is fast and accurate. The water film measurement can be valuable for contact lens design to improve its hydrophilic properties. The technique can be extended for the study of tear film dynamics in an eye.
AB - We report the use of optical reflectometry technique for evaluation of water film on contact lens. The water film can be measured through the spectral dependent reflectance evaluation, which is carried out by illuminating the contact lens with a white light and collecting the returning light with an optical fiber coupled to a spectrometer. Water film thinning process has been observed on different soft contact lenses and minimum measurable thickness is about 0.85 μm. The measurement is fast and accurate. The water film measurement can be valuable for contact lens design to improve its hydrophilic properties. The technique can be extended for the study of tear film dynamics in an eye.
KW - Contact Lens
KW - Hydrophilic
KW - Reflectometry
KW - Water Film
UR - http://www.scopus.com/inward/record.url?scp=79953149308&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79953149308&partnerID=8YFLogxK
U2 - 10.1117/12.876333
DO - 10.1117/12.876333
M3 - Conference contribution
SN - 9780819484222
VL - 7885
BT - Progress in Biomedical Optics and Imaging - Proceedings of SPIE
ER -