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.
Tear ducts can become blocked from infection and inflammation, both of which can also lead to excessive tear production. The outer membrane of the eye is called the conjunctiva. Infection of the conjunctiva (conjunctivitis) is a common cause of itchy, watery eyes, as well as eye swelling. Symptoms that can be associated with watery eye and excessive tearing include. 1  eye pain, 2  eye inflammation or eye infection, 3  vision impairment,