Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Plaquenil visual field red stimulus Is plaquenil safe Plaquenil visual field asian As a precaution, people treated with Plaquenil should get a baseline eye exam before or soon after starting the drug and visit an eye doctor ophthalmologist annually. Long term plaquenil users on high doses will need to monitor eye health regularly to prevent retinal toxicity from long-term use. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. The visual acuity in my left eye has markedly decreased from 20/25 to 20/200-400. I started taking Plaquenil in mid-Oct/08. The vision in my left eye is now much worse than BEFORE I had laser eye correction in 2006. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Visual prolem with plaquenil Hydroxychloroquine - Wikipedia, Hydroxychloroquine-Induced Retinal Toxicity - American. Plaquenil drug side effectsPlaquenil insertAmsler grid and hydroxychloroquine maculopathyOct en face retina mesaurements plaquenilSweating stoping plaquenil With Plaquenil related toxicity, the pigment in the macula can change and alter vision by producing blurring and distortion of objects. These changes, if they are going to occur, happen slowly over a long period of time. Your eye care provider can examine the macula and detect subtle changes before you begin to notice any symptoms of problems. Conditions Plaquenil-related Eye Problems Eugene Eye Care. Vision Problem - ?Plaquenil -. Hydroxychloroquine Plaquenil. Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia. A rare side effect of Plaquenil involves visual changes or possible loss of vision—the side effect that is most worrisome for patients. The aforementioned rare side effect that affects vision hydroxychloroquine retinopathy, if caught early, may improve after discontinuation of Plaquenil. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy.