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. Can plaquenil cause diarrhea Chloroquine phosphate resistant malaria Hydroxychloroquine methotrexate sulfasalazine azathioprine lefludomide Pain when stopping hydroxychloroquine plaquenil EyeWiki is where ophthalmologists, other physicians, patients and the public can view articles written by ophthalmologists, covering the vast spectrum of eye disease, diagnosis and treatment. Any qualified ophthalmologist or ophthalmologist in training is invited to contribute content to the wiki. A 64-YEAR-OLD woman complained of gradual blurring of vision. Her visual acuity was 20/60 OU. Biomicroscopic examination demonstrated no anterior segment abnormalities. She had been taking 20 mg of tamoxifen once daily for 8 years as prophylaxis for a previously excised breast adenocarcinoma. Disease Entity. Toxic optic neuropathy TON refers to visual impairment due to optic nerve damage caused by a toxin. Toxic optic neuropathy is characterized by bilateral, usually symmetric vision loss, papillomacular bundle damage, central or cecocentral scotoma, and reduced color vision. 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. Eyewiki plaquenil Oculomasticatory Myorhythmia - EyeWiki, Tamoxifen Maculopathy Macular Diseases JAMA Ophthalmology. Hydroxychloroquine rash treatment The electroocoulogram EOG is an elecrophysiologic test that measures the existing resting electrical potential between the cornea and Bruch's membrane. The mean transepithelial voltage of bovine Retinal pigment epithelium is 6 millivolts mV. 1 Electrooculogram - EyeWiki. Toxic Optic Neuropathy - EyeWiki. Rx Side Effects New Plaquenil Guidelines and More - American Academy.. Abstract. Background The American Academy of Ophthalmology recommendations on screening for chloroquine CQ and hydroxychloroquine HCQ retinopathy are revised in light of new information about the prevalence of toxicity, risk factors, fundus distribution, and effectiveness of screening tools. Jun 13, 2019 If you take Plaquenil for your inflammatory disease, your ophthalmologist will check for damage to the retina in the back of the eye while you take the drug. Jun 13, 2019 A rare side effect of Plaquenil is damage to the eye's retina. The retina is the light-sensitive tissue at the back of the eye. Using Plaquenil for a long period of time may harm the retina, causing serious vision loss.