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.
Itchy eyes are usually caused by allergies, which can be irritating. Itchiness can also be caused by pink eye, eye strain, or eye fatigue. If you are in a lot of pain or suspect an infection, see your doctor as soon as possible.
Like all allergies, eye allergies happen when your body overreacts to something. The immune system makes antibodies that cause your eyes to release histamine and other substances. This causes itching and red, watery eyes. Some people also have nasal allergies. Types. There are two types of eye allergies: seasonal, which are more common, and perennial.