The pellet shape ensures that the litter will not get into suture sites or irritate sensitive paws after declawing.
Check the above sites as well as others like Pellet Lab to find exactly the eye protection you're looking for.
X-ray studies may be ordered to identify the location of a foreign body if it is metal, such as a pellet from a BB gun or air gun, or to evaluate the nasal area for evidence of repeated fractures when abuse is suspected.
There also the line in the song Glorified G in which Vedder is actually saying Glorified version of a pellet gun, but sounds a lot like four or five versions of a pelican or forty-five virgins and a pelican.
When a youth reaches a certain age, he or she typically abandons hopscotch and skipping rope for more mature endeavors (such as chasing squirrels with a pellet gun).