2023年8月17日 · Extreme nearsightedness is the result of the eyeball being anywhere from 1 mm to 4 mm longer than it should be, causing a greater degree of myopia. It is an inherited condition, and it can be diagnosed in early childhood. If left untreated, high myopia can cause other eye conditions and sight problems.

2021年1月20日 · Learn more about high myopia (extreme nearsightedness), when it stabilizes, and how it can increase the risk of developing sight-threatening complications. Essentials about this potentially dangerous severe nearsightedness — and how to prevent it.

What is high myopia? High myopia is the medical term for extreme or severe nearsightedness.Myopia is a type of refractive error, and lens prescriptions for refractive errors are measured in units called diopters.A person who needs a vision prescription of -6.00 diopters (D) or more has high myopia. High myopia can exponentially increase a person's risk of developing sight-threatening eye disease.

Discover what high myopia is and what causes it. Learn about the treatments options available and lifestyle changes to manage this condition effectively.

2023年2月27日 · There are two types of nearsightedness: high myopia and low myopia. As the name suggests, low myopia is considered mild nearsightedness. Officially, it means that a person requires less...

2024年11月7日 · Nearsightedness (myopia) is when close-up objects look clear but distant objects are blurry. For instance, you can read a map clearly but have trouble seeing well enough to drive a car. Nearsightedness is a common eye focusing disorder. It has been on the rise for several decades.

The prevalence of myopia is increasing globally. 3 It has been predicted that, by the year 2050, high myopia will affect 9.8% of the global population; a total of 938 million people. 4 The highest prevalence of myopia is seen in younger adults, particularly in urbanised East and Southeast Asian countries. 2

2019年6月28日 · High myopia is the medical term for extreme or severe shortsightedness. Myopia is a type of refractive error, and lens prescriptions for refractive errors are measured in units called diopters. A person who needs a vision prescription of -6.00 diopters (D) or more has high myopia. High myopia can exponentially increase a person's risk of ...

2023年10月13日 · Myopia (nearsightedness) is a common condition that’s usually diagnosed before age 20. It affects your distance vision — you can see objects that are near, but you have trouble viewing objects that are farther away like grocery store aisle markers or road signs. Myopia treatments include glasses, contact lenses or surgery.

2023年10月23日 · Extreme myopia is considered when it exceeds the -16.25 diopters. This type of myopia is usually related to visual disabilities affecting both visual acuity and visual field. Extreme myopia can be corrected with glasses, contact lenses, and/or implantation of a lens between the iris and the crystallin.