Process for analyzing tear fluid

Details Process for analyzing tear fluid Process for analyzing tear fluid

2003-09-03

2008-09-30

Saucier, Sandra E (Department: 1651)

Chemistry: molecular biology and microbiology

Measuring or testing process involving enzymes or...

Involving fixed or stabilized, nonliving microorganism,...

C600S573000

Reexamination Certificate

active

07429465

ABSTRACT:
The present invention concerns a process for analyzing an analyte in a hydrogel contact lens following its wear on the eye, comprising the steps of(a) physically or chemically inducing a volume reduction of the hydrogel contact lens and thereby squeezing the analyte out of the polymer material making up the contact lens and(b) feeding the analyte obtained according to step (a) into an analyzer.The process of the invention provides a new concept for noninvasively measuring various analytes occurring in the tear fluid that is comfortable to the user.

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Meakin et al. “Thermal analysis of poly(2-hydroxyethyl methacrylate)(pHEMA) hydrogels” J. Materials Sci: Material Med. (2003) 14: 9-15.
Wedler, C. “Analysis of biomaterials deposited on soft contact lenses” J. Biomed. Mater. Res. (1977) 11: 525-535.

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