What is a pterygium and pingueculum? A pterygium (te-RIH-jee-um, plural pterygia) is a pinkish, triangular growth of tissue on the conjunctiva of the eye (the thin membrane that covers the white part of the eye), extending onto the cornea (the clear part of the eye).   A pingueculum (pin-GWEK-yoo-luhm, plural pinguecula) is an alteration… Continue reading Pterygia and Pinguecula