In 1950, Phillips Thygeson published case reports on a superficial punctate keratitis (inflammation of the cornea) that he described as a condition involving corneal opacities. Today, this condition, now known as Thygeson superficial punctate keratitis (TSPK), is a chronic one, lasting years to decades. It typically comes and goes, causing discomfort, but then improvesContinue reading “Thygeson’s Inflammation of the Cornea”