It Is Advised To Be Alert To Eye Illness If You Cry Too Often

Why people often shed tears: under normal circumstances, after each blink eyes, the tear secreted by lacrimal gland and deputy lacrimal gland will balance by the excretory system of tear or evaporation. The surface eyeglasses online of the eye is filled with tears to keep the eyes moist and comfortable, and we do not feel flowing tears. When the amount of tear secreted is too much or problems appear in the tear excretory system, we will feel tears. A variety of factors will lead to too much amount of tear secretion, including being mentally stimulated

The reflex and stimulation of foreign bodies: the effects of cholinergic drugs, anti-cholinesterase agents and other drugs; some eye diseases, such as glaucoma, blepharitis, conjunctivitis, irtis and so on. Or the trigeminus and the facial nerves are stimulated. If your eyes secrete exessive lacrimal fluid which could hardly evaprate or excrete, your tears will keep falling all the time.

And there are something wrong with your excretory system of your tears. It often include abnormal position, stenosis or astresia of puncta, stenosis and choke from puncta to nasolacrimal canals. Or dysfunction of lacrimal ducts, etc. All these will lead t This situation was particularly prevalent in the elderly and it often present with tearing against wind. In a cold climate, the symptoms increased. Regardless of seasons, patients even tear frequently indoor and outdoor.

Snow blindness: it is also known as snow light ophthalmia. It arises mainly because the strong ultraviolet rays in sunlight are reflected to the eye cornea by large area of snow which leads to corneal trauma. Studies eyeglass frames have shown that the 300 microns of medium wave ultraviolet radiation in the sun shine the snow ground. By reflecting sunlight to hit the eyes, may lead to snow blindness. There are photophobia, tears, swelling pain, itching and intraocular foreign body sensation and other symptoms. Therefore, when go out on the snow days, you had best wear sunglasses to prevent snow ground reflecting strong light from stimulating the eyes.

chronic conjunctivitis: in autumn and winter, chronic conjunctivitis is the main cause for regular lachrymation, and it can be divided into two categories: infectious and non-infectious. The former is caused by inflammation of pathogenic microorganisms. Bacteria, viruses, chlamydia, fungi, etc. are likely to be pathogenic. The negative one usually is connected with environment and the way or habit you use eyes. Nowadays, the ratio of such disease is increasing. The stimulations of sand, dust, smoke and harm gas and often staying up late, lack of sleep, tobacco addiction and eye fatigue are all the main factors that lead to chronic conjunctivitis.

Dry eye syndrome, sears prescription eyeglasses optical also will cause eldly people tearing. The cold and dry winter is high season of dryness of eyes. Lipid tear deficiency makes the basic emmition of tears become less and, eyes dry and uncomfortable. If the surface of eyeballs is damaged, a lot of tears will flow out of eyes refletively. Menopausal women, allergic conjunctivitis patients and people who had contracted trachoma when young and who have corneal scarring are easy to shed tears due to xerophthalmia. The nasolacrimal duct blockage: Many elderly people who are often in tears is due to blockage caused by nasal lacrimal duct. The opening of nasolacrimal duct is at the position of the the lower eyelids which is near the nose while the exit is in the nasal