dosedependent vitamin d3 25hydroxyvitamin d3 and 125dihydroxyvitamin d3induced hypercalcemia and hyperphosphatemia and the correlative changes in the activity of ultimobranchial and parathyroid glands of the toad bufo andersoni boulenger vitamin d3 25oh vitamin d3 and 125 oh2d3 were administered daily to unfed male bufo andersoni for 15 days which resulted in a significant hypercalcemia and hyperphosphatemia in a dosedependent fashion 125oh2d3 is more potent than the other metabolites the treatment activated ultimobranchial gland but induced degenerative changes in parathyroid of the toads syphilitic outer retinopathy purpose to present ocular syphilis masquerading as an outer retinopathymethods retrospective case series including 2 patients with features of acute zonal occult outer retinopathy azoor complex diseasesresults laboratory results confirmed the diagnosis of syphilis in the 2 cases therapy with intravenous penicillin led to an improvement in symptoms visual acuity and ancillary testingconclusions the protean ophthalmic presentations of syphilis are well known however azoorlike presentation has not been described previously this atypical outer retinopathy should alert physicians to keep syphilis in the differential diagnosis of any inflammatory disorder