Patent Number: 7,133,712

Title: Method and apparatus for non-invasive monitoring of blood substances using self-sampled tears

Abstract: A method and apparatus for non-invasively determining the concentration of a substance in blood, such as glucose, include a sample portion arranged for contacting an eye region of a user to obtain a tear fluid sample, a sensor in communication with the sample portion for generating a signal related to the tear substance concentration, and a processor in communication with the sensor for determining a blood substance concentration corresponding to the tear substance concentration.

Inventors: Cohan; Bruce E. (Ann Arbor, MI), Cha; Geun Sig (Seoul, KR), Meyerhoff; Mark E. (Ann Arbor, MI), Nam; Hakhyun (Seoul, KR), Gillespie; Donald E. (Ann Arbor, MI), Cui; Gang (Jilin, CN), Kim; Jong Sik (Seoul, KR), Flanders; Zvi (Ann Arbor, MI)

Assignee: Eyelab Group, LLC

International Classification: A61B 5/00 (20060101); A61B 5/05 (20060101)

Expiration Date: 2019-11-07 0:00:00