Objective Evaluate tear function, tear film and ocular surface in patients with positive serology for HIV. Methods Observational, cross-sectional, quantitative and analytical study, performed between june and october 2011, in the HSPE-FMO, SP, Ophthalmology Department, including 32 patients. Sixteen were HIV-positive patients and 16 HIV-negative. Results There was no significant statistical difference in the middle age between both groups (p=0.083). The ferning test was statistically different in HIV group (with predominance of III and IV) compared to the control group […]