<prompt> All of the following are criteria for high risk of deveoping chloroquine retinopathy exceptDuration of use 5 yearsSeen at a dose of 250mgd or 3mgkg480g total dosePresence of renal failure  <response>: Criteria of High Risk for Developing Chloroquine RetinopathyDosage 6.5 mgkg hydroxychloroquine or 3 mgkg chloroquineDuration of Use 5 yearsHigh fat level unless dosage is appropriately lowPresence of renalliver diseasePresence of concomitant retinal diseaseAge 60 yearsPreviously cumulative dose of 1gKg was considered as a high risk factor which is now not considered. 