Pattern of Retinopathy: Although the locus of toxic damage is parafoveal in many eyes, Asian patients often show an extramacular pattern of damage. Dose: We recommend a maximum daily HCQ use of 5.0 mg/kg real weight, which correlates better with risk than ideal weight. Long-term effects of taking plaquenil Hydroxychloroquine label information Chloroquine solubility in dmso Hydroxychloroquine 200 mg and alcohol Abnormal test is the visual field test, you may be asked to repeat it to make sure of the results. You will be told if any other tests are necessary and when you should be screened again. In cases of possible retinopathy, you will be recommended to continue taking 8 9 Macular Society Eye screening for patients taking hydroxychloroquine You will also be asked to follow your own eye health every month by using a special chart called the Amsler grid. The following tests are used as part of the Edmonton Hydroxychloroquine Screening Protocol Amsler grid This small grid is given to you to test once per month at home. It should be held at approximately 12 inches 30 cm from the. The 20/20 designation simply means that you can see at 20 feet what the average person can see at 20 feet. Many people have vision better than 20/20. To determine what your numbers are, most eye doctors use the Snellen Chart. It has lines of letters on it that start out large at the top and end up small at the bottom. Risk of Toxicity: The risk of toxicity is dependent on daily dose and duration of use. There are no similar demographic data for CQ, but dose comparisons in older literature suggest using 2.3 mg/kg real weight. Plaquenil eye test chart Plaquenil Dosage Guide -, Plaquenil Toxicity - alberta- Avkare plaquenilHydroxychloroquine effect on eyesSynthesis of chloroquineChloroquine-proguanil malaria prophylaxis Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at Risk Up to half of patients treated with the arthritis drug hydroxychloroquine Plaquenil are prescribed more than the recommended maximum amount, according to new research. Wrong Hydroxychloroquine Dose Is Common, Putting Eyes at.. Take The Snellen Eye Test Online - Eyes-and-. My Take on New Ocular Screening Guidelines for Plaquenil.. Diagnosis Hydroxychloroquine-induced retinal toxicity Discussion. Chloroquine CQ and hydroxychloroquine Plaquenil HCQ have been used for many years, initially for the treatment of malaria but now more commonly for the treatment of inflammatory diseases such as rheumatoid arthritis and lupus 1. Eye. Do not apply pressure to the covered eye, as it might aﬀect that eye’s vision when you test it. 3. Identify a line on the chart you can comfortably read. Read the letters on that line aloud. Have your assistant stand near the chart and record your accuracy. 4. Continue trying to read the letters on each successively smaller line. Do. It’s a new algorithm, very much a new concept in Plaquenil screening.” Some points to consider Preferred screening methods. 10-2 visual fields, but not Amsler grids, are still acceptable for screening if read with caution. Dr. Marmor said, “We also recommend use of objective tests such as spectral domain OCT.