How to improve myopia

Blood donation is a very common thing in modern times, and nowadays blood donations are all unpaid. Blood donation is a national activity. As we all know, blood donation has requirements for the height, weight, health status, medical history, etc. of the donor, but an easily ignored requirement is that people with myopia exceeding 800 degrees cannot donate blood. Let us understand the reasons why more than 800 degrees of myopia cannot donate blood.
Blood donation is a show of courage and love magic wands , and many people cannot understand why 800-degree myopia people are not allowed to perform this activity. Medical staff consider the physical condition of the blood donor. Blood donation from highly myopic people may lead to retinal detachment. The anterior and posterior diameter of the eyeball in highly myopic people increases significantly, but the retina and choroid cannot grow accordingly. The retina and choroid are lengthened, diffuse atrophy, and corresponding blood vessels are also thinned. In addition, because blood vessels are very sensitive to changes in blood pressure, coupled with the nervousness of donors when donating blood, changes in blood pressure are inevitable. This change has a high possibility of affecting the ocular blood vessels. Changes in the ocular blood vessels affect the spasm of the fundus blood vessels huge dildo , and there is a possibility of cracks in the retina. Retinal detachment is a serious result, and a mild result affects vision.
Moreover, highly myopia can cause complications inside the glasses, such as mosquito-repellent incense, macular hemorrhage, retinal detachment, etc. Mosquito incense disease means that as the eyeball rotates clitoral vibrator , black shadows often appear in front of your eyes, just like mosquitoes dancing, and the normal colloidal structure of the vitreous body is liquefied. Macular hemorrhage means that patients always feel that there is a fixed black shadow in front of their eyes blocking their vision. Small blood vessels in the macular area rupture due to factors such as traction, causing macular hemorrhage and great damage to central vision. This symptom can be treated, but it always leaves blood and affects vision.
Retinal detachment is blindness. There are many reasons for retinal detachment. For patients with high myopia, the possibility of retinal detachment is very high. Patients with high myopia must pay attention not to do strenuous exercises clitoral vibrator , such as trampoline, diving and other sports. The retina of the group with high myopia has become diseased and cannot withstand such troubles.
Generally speaking, not only patients with myopia of 800 degrees cannot donate blood, but also patients with myopia above 600 degrees cannot donate blood. Myopic glasses are fragile. If not protected, the possibility of blindness is high and cause many complications. The treatment of glasses cannot guarantee recovery, so prevention must be the center.