This article is from the Vision and Eye Care FAQ, by grants@research.canon.com.au (Grant Sayer) with numerous contributions by others.
Spherical or toric contact lenses which are designed to be worn for a certain
time period, eg, weekly, two- weekly, monthly. Lenses are generally
sold in a "blister" combination pack, eg 3 months supply with intention
that lenses are "disposed" of at the end of the time period.
 
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