3.1. Baseline Data of Patients
keratoconus
KERATOCONUS
During the study period, 34 patients were diagnosed of keratoconus, met the inclusion criteria, and attended all study visits. There were 25 men and 9 women, with a mean (SD) age of 31 (10) years. The mean time elapsed since the diagnosis of keratoconus was 3.7 (2.8) months. At the beginning of the study, 19 patients were allocated to the DHA group and 19 to the control group. However, four patients with unilateral keratoconus did not complete visits 1 and/or 2 and were excluded from the analysis. The final study population included 19 patients in the DHA group and 15 in the control group (