US 11,751,762 B2
Method and apparatus for low coherence interferometry
Jongsik Kim, Fort Lee, NJ (US); Ying Dong, Warren, NJ (US); Song Mei, Franklin Park, NJ (US); Kinpui Chan, Ridgewood, NJ (US); Zhenguo Wang, Ridgewood, NJ (US); and Zaixing Mao, Edgewater, NJ (US)
Assigned to TOPCON CORPORATION, Tokyo (JP)
Filed by Topcon Corporation, Tokyo (JP)
Filed on Dec. 18, 2019, as Appl. No. 16/719,305.
Claims priority of provisional application 62/822,415, filed on Mar. 22, 2019.
Claims priority of provisional application 62/781,991, filed on Dec. 19, 2018.
Prior Publication US 2020/0196856 A1, Jun. 25, 2020
Int. Cl. A61B 3/10 (2006.01); A61B 3/14 (2006.01); A61B 3/12 (2006.01); G01N 21/17 (2006.01)
CPC A61B 3/102 (2013.01) [A61B 3/1225 (2013.01); A61B 3/14 (2013.01); G01N 21/17 (2013.01); G01N 2021/1787 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An imaging method comprising:
acquiring an image data set of an object with an interferometric imaging system, wherein the image data set comprises image data from a location of the object ata first time and ata second time;
determining a first depth profile from the image data from the location at the first time and a second depth profile from the image data of the location at the second time;
determining a change with respect to depth between the first depth profile and the second depth profile;
identifying depths of the object at which the change between the first depth profile and the second depth profile is at a local maxima or minima; and
determining a property, or identifying a location, of at least one dynamic particle in the object based on the identified local maxima or minima,
wherein the identified depths at which the change is at the local maxima or minima correspond to locations of dynamic particles; and
wherein the object is a human eye.