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.
Your eyes can become bloodshot because of allergies. Red eyes associated with burning and itching are often caused by allergies. The eyes become red because the blood vessels in the front part of the eye dilate and become larger. Fluid accumulates and causes swelling.