gaspermeable lens

gas-permeable 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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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

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