gas-permeable lens

[ gas-pur-mee-uh-buh l ]
/ ˈgæsˌpɜr mi ə bəl /

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.

British Dictionary definitions for gas-permeable lens

gas-permeable lens

noun

a contact lens made of rigid plastic that is more permeable to air than a standard hard lens Abbreviation: GP Compare hard lens, soft lens