gas permeable lens

gas-per·me·a·ble lens

[gas-pur-mee-uh-buhl]
noun
a semisoft contact lens, usually removed each day, that allows air to pass through to the eye and affords a wider range of vision corrections than a soft contact lens.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
gas-permeable lens
 
n
hard lens Compare soft lens GP a contact lens made of rigid plastic that is more permeable to air than a standard hard lens

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Gas permeable lens is always a great word to know.
So is ort. Does it mean:
a scrap or morsel of food left at a meal.
a chattering or flighty, light-headed person.
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