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.
There are many types of eye injury, and symptoms include eye pain, burning, irritation, bleeding, and more. Hay fever, an allergic reaction to outdoor pollens and molds, causes nasal congestion, itchy eyes, and more. Acute sinusitis, an inflammation of the sinuses, causes sinus pain and tenderness, facial redness and more.