US 12,458,465 B2
Tailored light window technique for eye surgery
Paul R. Hallen, Colleyville, TX (US)
Assigned to Alcon Inc., Fribourg (CH)
Filed by Alcon Inc., Fribourg (CH)
Filed on Feb. 1, 2022, as Appl. No. 17/649,600.
Claims priority of provisional application 63/146,066, filed on Feb. 5, 2021.
Prior Publication US 2022/0249191 A1, Aug. 11, 2022
Int. Cl. A61B 90/30 (2016.01); A61B 17/34 (2006.01); A61F 9/007 (2006.01)
CPC A61B 90/30 (2016.02) [A61B 17/3421 (2013.01); A61F 9/007 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of performing an eye surgery in a room, the performing comprising:
securing a cannula near a front of an eye;
maintaining a given light intensity in the room to enhance contrast at an interior of the eye for a surgeon during the surgery;
advancing an end of a surgical tool toward the cannula for guidance into the eye;
directing a tailored window of light different from the given light toward the end of the surgical tool during the advancing to enhance visibility thereof, wherein the tailored window of light has a first light parameter value; and
changing the light to a different light when the surgical tool has been inserted into the eye, wherein the different light has a second light parameter value that is different from the first light parameter value.