Cleaning Contact Lens Cases

contact lens
A thin plastic lens placed directly on the surface of the eye to correct visual defects
contact: a thin curved glass or plastic lens designed to fit over the cornea in order to correct vision or to deliver medication
A contact lens (also known simply as a contact) is a corrective, cosmetic, or therapeutic lens usually placed on the cornea of the eye.
A thin lens, made of flexible or rigid plastic, that is placed directly on to the eye to correct vision, used as an alternative to spectacles, or, if coloured, to change one's eye color cosmetically

cleaning
Remove the innards of (fish or poultry) prior to cooking
the act of making something clean; "he gave his shoes a good cleaning"
make clean by removing dirt, filth, or unwanted substances from; "Clean the stove!"; "The dentist cleaned my teeth"
Make (something or someone) free of dirt, marks, or mess, esp. by washing, wiping, or brushing
(clean) free from dirt or impurities; or having clean habits; "children with clean shining faces"; "clean white shirts"; "clean dishes"; "a spotlessly clean house"; "cats are clean animals"

cases
An item of luggage; a suitcase
(case) event: a special set of circumstances; "in that event, the first possibility is excluded"; "it may rain in which case the picnic will be canceled"
A container designed to hold or protect something
The outer protective covering of a natural or manufactured object
(case) look over, usually with the intention to rob; "They men cased the housed"
(case) an occurrence of something; "it was a case of bad judgment"; "another instance occurred yesterday"; "but there is always the famous example of the Smiths"