Later, circular needles were invented, which can also be used to knit in the round: the circular needle looks like two short knitting needles connected by a cable between them. Longer circular needles can be used to produce narrow tubes of knitting for socks, mittens, and other items using the Magic Loop technique.
There are a variety of factors that can lead to burning and itching of the eyes. Eye irritation can develop as a result of environmental factors, allergies, underlying medical conditions, age or the use of medications. Common causes of burning and itching eyes may include environmental factors such as: Dust.
Contents. 1  Itchy eye AND Watery eye discharge: Causes of All Symptoms. 2  Itchy eye OR Watery eye discharge: 292 causes. 3  Itchy eye: 287 causes.  Itchy eye: 1  Introduction. Watery eye discharge: Causes.  Watery eye discharge: 1  Introduction. Itchy eye and Watery eye discharge and Colorless eye discharge (3 causes)