Causes of Dry Eye

Dry eyes are an uncomfortable condition. The lack of moisture can cause eyes to sting, burn and feel gritty. Dry eye that is left untreated can lead to scratches on the surface of the eye. Dry eye can be a result of a minor problem, such as an allergy, or result from diseases that interfere with tear production. Dry eyes that persist should be evaluated by a doctor.

1. 病気

   • Sjögren's syndrome is a chronic autoimmune disorder.白血球は、涙腺である涙腺などの水分を生成する腺を攻撃し、涙腺であり、目を湿らせます。 Hyperthyroidism can cause chronic dry eyes because of inflammation that causes the eyeball to bulge slightly. Other autoimmune and connective tissue diseases such as lupus and rheumatoid arthritis can also cause dry eyes.

   ホルモンと老化

   • Women over the age of 40 are more likely to suffer from dry eyes. As a woman ages and goes through menopause the change in hormones may lead to dry eyes. Dry eyes may develop in women who have conditions such as premature ovarian failure or other disorders that affect hormones.

   Structural

   • 目の構造的な問題は、ドライアイの原因になる可能性があります。 Blocked tear ducts prevent moisture from keeping the eyeball lubricated. When the eyelid is unable to close completely the cornea can become inflamed and dry, resulting in a condition called exposure keratitis. An infection or disease that causes inflammation of the conjunctiva can cause dry eyes. The conjunctiva is a clear membrane that lines the inside of the eyelid and extends down to cover the white part of the eye.

   Eye Injuries or Surgery

   • LASIK surgery may be a cause of dry eye. It is usually a mild and temporary condition that may persist three to six months.まぶたを引っ張りすぎて、適切に閉じたり、目をわずかに膨らませたりしないようにする美容整形手術は、ドライアイを引き起こす可能性があります。

   投薬

   • Some medications may cause a decrease in tear production, resulting in dry eyes. Over-the-counter or prescription medications may have this affect.人工涙は、薬によって引き起こされたドライアイズを治療するために使用できます。 Notify your physician if dry eyes interfere with daily life.乾燥目を引き起こす可能性のある薬には、血圧剤、抗ヒスタミン薬、鼻の除細枝剤、ホルモン補充療法、抗うつ薬が含まれます。