The object of convergence is the directing of the yellow spot in each eye towards the same point, so as to produce singleness of vision; diplopia, or double vision, at once resulting when the image of an object is formed on parts of the retina which do not exactly. correspond in the two eyes.
Hives are red, itchy, slightly elevated swellings. Itching may be severe. Hives have clearly defined borders and may have a pale center. Typically, crops of hives come and go. One hive may remain for several hours, then disappear, and later, another may appear elsewhere.
Hives are red, itchy, raised areas of the skin that can range in size and appear anywhere on your body. Most are caused by food or drug allergies and usually go away within a few days. Topical medications to treat hives include creams and lotions. Products that contain menthol or pramoxine help to relieve itching.