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.
Occasional burning and itching of the eyes is often the result of a foreign substance in the eye. Once the substance is removed, the burning and itching will subside and other symptoms will disappear relatively quickly. Sometimes these symptoms develop in response to temporary irritants such as cigarette smoke or dust.
How Watery Eyes Are Diagnosed and Treated. You may be able to figure out the cause of your watery eyes on your own: 1  If your eyes feel dry, raw, and uncomfortable just before they begin to water, you are probably experiencing dry eye syndrome.  If your eyes are itchy and swollen, allergies are the likely culprit.