A, At the start of hydroxychloroquine sulfate treatment. B, Two years after starting treatment, a right paracentral scotoma appeared. Chloroquine endocytosis Plaquenil givimg me sore throat Five consecutive 10-2 visual fields VFs with a white target. Notes VFs of a patient taking hydroxychloroquine at toxic doses who developed retinopathy. An incomplete annular scotoma in the zone from 2 to 8 degrees from fixation developed in the third VF. This scotoma was reproducible and enlarged from 2011 to 2012. A, Visual field 10-2, showing a white pattern deviation plot above a red gray-scale plot. B, A multifocal electroretinography mfERG trace array showing broad maculopathy and a clear ring of weak signals between the fovea and the more peripheral regions. Three consecutive 10–2 visual fields with a red target in a patient taking hydroxychloroquine at toxic doses who developed retinopathy. Figure 4 mfERG of a patient taking hydroxychloroquine at toxic doses who developed retinopathy. Morand EFMc Cloud PILittlejohn GO Continuation of long term treatment with hydroxychloroquine in systemic lupus erythematosus and rheumatoid arthritis. C, Three years after cessation of treatment, the scotoma regressed. Plaquenil visual field red stimulus Scotoma analysis of 10-2 visual field testing with a white., Disparity between Visual Fields and Optical Coherence. Plaquenil dose for rheumatoid arthritisDoes plaquenil cause kidney damage Focus on Eyes Long-term Plaquenil intake can affect your vision. Taking high doses or long-term treatment of Plaquenil, an anti-malaria drug used to treat lupus, can lead to vision problems. Focus on Eyes Long-term Plaquenil intake can affect your vision. Scotoma analysis of 10–2 visual field testing with a red.. Dots, Squiggles, and Triangles, Oh My! A Visual Field Guide.. Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Jan 01, 2020 The molecular weight of hydroxychloroquine sulfate is 433.95, and molecular formula is C 18 H 26 ClN 3 O. H 2 SO 4. Plaquenil hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Inactive Ingredients Dibasic calcium phosphate USP. Jan 05, 2020 In early cases of toxicity, visual fields will typically reveal a paracentral scotoma. If a 24-2 or 30-2 field is performed, be way of overlooking the 2-degree field of sparing seen on 10-2 fields; in these tests, a small central defect may be seen instead.