| umls-concept:C0043349 | skos:definition | MSH: Dryness of the eye surfaces caused by deficiency of tears or conjunctival secretions. It may be associated with vitamin A deficiency, trauma, or any condition in which the eyelids do not close completely.,CSP: dryness of the eye surfaces caused by deficiency of tears or conjunctival secretions; may be associated with vitamin A deficiency, trauma, or any condition in which the eyelids do not close completely.,NCI: Dryness of the eye due to inadequate production of tears. Causes include vitamin A deficiency, Sjogren syndrome, rheumatoid arthritis, systemic lupus erythematosus, and scleroderma. | lld:umls |
