intraocular lens: an artificial lens that is implanted into the eye of someone to replace a damaged natural lens or someone who has had a cataract removed
lens: a transparent optical device used to converge or diverge transmitted light and to form images
strike: (baseball) a pitch that the batter swings at and misses, or that the batter hits into foul territory, or that the batter does not swing at but the umpire judges to be in the area over home plate and between the batter's knees and shoulders