Snapshot A 33-year-old man presents to a free clinic with eye itchiness. He notices these abnormal white spots over the sclera of his eyes. He constantly experiences dryness in his eyes without clear cause. He is currently homeless with poor access to food and water for the past several months. Physical examination is notable for conjunctival keratinazation. Introduction Overview login to view 6 more bullets Function login to view 9 more bullets Deficiency login to view 10 more bullets Excess login to view 5 more bullets Therapeutic uses login to view 4 more bullets