US 11,921,361 B2
Chiral scleral lenses
Karen G. Carrasquillo, Arlington, MA (US); Chirag Patel, Boston, MA (US); Crystal Remington, Northborough, MA (US); Alan Kwok, Arlington, MA (US); and Deborah S. Jacobs, Brookline, MA (US)
Assigned to Boston Foundation for Sight, Needham, MA (US)
Filed by Boston Foundation for Sight, Needham, MA (US)
Filed on May 18, 2022, as Appl. No. 17/747,831.
Application 17/747,831 is a continuation of application No. 16/664,407, filed on Oct. 25, 2019, granted, now 11,360,326.
Application 16/664,407 is a continuation of application No. 15/833,001, filed on Dec. 6, 2017, granted, now 10,459,249, issued on Oct. 29, 2019.
Application 15/833,001 is a continuation of application No. 15/235,838, filed on Aug. 12, 2016, granted, now 9,874,766, issued on Jan. 23, 2018.
Claims priority of provisional application 62/250,480, filed on Nov. 3, 2015.
Prior Publication US 2023/0009847 A1, Jan. 12, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. G01C 7/04 (2006.01); A61B 3/04 (2006.01); G02C 7/04 (2006.01)
CPC G02C 7/047 (2013.01) [A61B 3/04 (2013.01); G02C 2202/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A scleral lens configured to be applied on a chiral scleral portion of an eye, the scleral lens comprising four specified hemi-meridian contours that each corresponds to a rotationally asymmetric hemi-meridian characteristic of the eye;
wherein the four specified hemi-meridian contours are based on a haptic reference angle calculated for one of the four rotationally asymmetric hemi-meridians of the eye;
wherein the four specified hemi-meridians contours include: nasal, temporal, superior and inferior.