Other. Temperate deciduous forests are most notable because they go through four seasons. Leaves change color in autumn, fall off in the winter, and grow back in the spring; this adaptation allows plants to survive cold winters.
1 Although vision problems and loss of sight while taking hydroxychloroquine (Plaquenil) for the treatment of lupus or arthritis are very rare, notify your doctor if you notice any changes in your vision. 2  Your doctor also may suggest regular eye exams while taking this medication.
High risk patients would include those who: 1  have taken high doses of Plaquenil for years (i.e., 1000 g. for over 7 years) 2  are 60 years or older. 3  are obese.  have significant liver or kidney 1  disease. have pre-existing retinal, macular disease, or cataracts.