Objective: To check the ability of microperimetry to detect early retinal damage in patients with rheumatism taking hydroxychloroquine (HCQ), chloroquine (CQ), or both, and to describe the microperimetric alterations attributable to these drugs and their correlation with some clinical variables.
Design: Controlled cross-sectional study.
Participants: Patient group was 209 patients taking HCQ or CQ.