Abstract: the time of laser surgery is very short, only 6 minutes. But for patients, not everyone is suitable for laser correction surgery. Strict preoperative examination must be carried out. For example, surgery is not recommended for people with high intraocular pressure, glaucoma, particularly thin cornea, suspected keratoconus, and people with dry eyes above grade […]
Category: Relevant knowledge
Abstract: presbyopia occurs in myopia, hyperopia and astigmatism. But when people with myopia look close, they can relatively reduce the degree of presbyopic convex lens or just take off their myopia glasses. Some people say that myopia will not cause presbyopia, and myopia and presbyopia will offset each other! This can make many myopic people […]
Abstract: after wearing glasses for a long time, dust will accumulate in every corner of the glasses. For example, the slot between the frame and the lens, the pad area around the nose and the frame fold. At this time, many people wash their glasses with soap and hand sanitizer. Why do your glasses break […]
Abstract: after Ouyang Xiu was short-sighted, it was difficult to read. He could only listen to schoolchildren read aloud. It seems that money is good… But different from today, ancient myopia is a real aristocratic disease. In ancient China, many cultural celebrities were actually myopic, which can be seen from their works. For example, Li […]
Abstract: to prevent myopia, we should take the initiative to do a comprehensive optometry every year from the age of 3-6, and establish a refractive development file. Every child is born with “hyperopia”. With the increase of age and the cultivation of the habit of using eyes at close range, he slowly develops from “hyperopia” […]
Abstract: high myopia complicated with cataract, vitreous opacity, vitreous liquefaction, macular hemorrhage, retinal detachment, glaucoma and many other diseases can be diagnosed as long as careful examination or ophthalmic instrument examination. Misunderstanding 1. Ametropia without glasses Children suffer from myopia. The doctor suggests wearing glasses, but some parents insist on not agreeing to wear glasses. […]
Abstract: pseudomyopia is characterized by seeing only near but not far. Without adjustment, the distant parallel light enters the eye through the pupil and cannot form a clear image on the retina before focusing on the retina. This refractive error is myopia. So how long does pseudomyopia become true myopia? Many parents try their best […]
Abstract: regular fundus examination is very important for high myopia. If the growth rate of myopia does not soar, there are no dry holes, lattice lesions or abnormally increased flying mosquitoes during fundus examination, fundus examination can usually be carried out in two to three years., Among people with myopia, when ordinary myopia reaches adulthood, […]
Abstract: it is difficult to match the actual degree, pupil distance, face type and brain type of the wearer when buying presbyopic glasses with fixed degree and pupil distance. It will not only fail to achieve the best visual effect, but will produce visual interference and visual fatigue. The purchase of reading glasses should vary […]
Abstract: this kind of pseudomyopia in adults will bring difficulty to optometry. Just as children prone to pseudomyopia need mydriasis when they are wearing glasses, these adults with pseudomyopia also need mydriasis optometry to match glasses of accurate degree., Many people know pseudomyopia. Most people think of pseudomyopia and will be associated with children, but […]