US 11,945,632 B2
Contact lens packages and methods of use
Matthew John Ellis, Romsey (GB); Timothy Noyce, Waterlooville (GB); and Dmitrijus Sluka, Southampton (GB)
Assigned to COOPERVISION INTERNATIONAL LIMITED, Fareham (GB)
Filed by CooperVision International Limited, Fareham (GB)
Filed on Apr. 7, 2023, as Appl. No. 18/131,881.
Application 18/131,881 is a continuation of application No. 17/336,361, filed on Jun. 2, 2021, granted, now 11,649,099.
Claims priority of provisional application 63/042,575, filed on Jun. 23, 2020.
Prior Publication US 2023/0242317 A1, Aug. 3, 2023
Int. Cl. B65D 75/32 (2006.01)
CPC B65D 75/326 (2013.01) [B65D 2575/3245 (2013.01); B65D 2585/545 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A blister package for a contact lens, the blister package comprising a base sheet and a sealing sheet, wherein:
one of the base sheet and the sealing sheet includes a bowl,
the other of the base sheet and the sealing sheet includes a sealing surface and a dome that protrudes from the sealing surface, the dome having a radius of curvature of 13 mm to 19 mm and a height of less than 7 mm relative to the sealing surface,
the dome protruding into the bowl, thereby forming a cavity between the dome and the bowl, wherein the bowl has a radius of curvature that is 25% to 35% less than the radius of curvature of the dome, and a depth that is 35% to 45% greater than the height of the dome,
the base sheet and the sealing sheet being releasably attached to each other, thereby releasably sealing the cavity, wherein
the bowl contains a contact lens having a concave surface that faces towards the dome.