WHAT IS AN ASTIGMATISM?

WHAT IS AN ASTIGMATISM?

A corneal curvature is also called astigmatism, which means that the cornea is not normal but deformed. Astigmatism is a common vision disorder, which is the cause of fuzzy visibility at any distance. Astigmatism often occurs in combination with short-sightedness or farsightedness.

Astigmatism is considered normal in the human eye of up to 0.5 diopters. The deformed cornea is mostly congenital, but in rare cases can develop only with time.

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CORRECTION OF ASTIGMATISM - WHICH METHOD IS BEST FOR ME?

Both a pure astigmatism and an astigmatism in combination with another vision disorders can be corrected by EuroEyes. In order to determine whether the patient is suitable for laser surgery, a thorough consultation and a detailed preliminary examination are always carried out before the procedure. Safety and diagnostics are absolutely in the foreground during the preliminary examination. If a patient is not suitable for an eye laser correction, EuroEyes can offer other treatment methods.

EYE LASER METHOD FOR THE TREATMENT OF ASTIGMATISM

EuroEyes offers Eye laser and lens surgery at procedures to correct astigmatism – also in combination with farsightedness or nearsightedness. The defective vision can be treated with the aid of state-of-the-art laser procedures such as ReLEx smile or by implanting ICL contact lenses or multifocal/trifocal lenses.

ReLEx smile*

Astigmatism up to 5 D

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eeLASIK / Femto-LASIK*

Astigmatism up to 4 D

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PRK / LASEK**

Astigmatism up to 3 D

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* Depending on the thickness of the cornea ** With a very thin cornea

Lens Procedure in Case of Higher Astigmatism

Implantable Toric Contact Lens (ICL) *

Astigmatism up to 6 D

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* Patients younger than 40-45 years

Lens Procedure treating Astigmatism in Combination with Presbyopia

Toric Multifocal Lens *

Astigmatism up to 12 D

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* Patients older than 40-45 yearse

晶体和激光手术医生

柯诺驰教授 Michael Knorz

柯诺驰教授
Dr.Michael Knorz

连续五次收录福克斯年度医生
国际屈光外科学会(ISRS)会员
南非白内障与屈光外科学会基辛格纪念奖

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安德烈•彼德鲁尼教授 Dr. Andriy Petrunya

安德烈•彼德鲁尼教授
Dr.Andriy Petrunya

拥有32年眼科临床经验
美国白内障屈光手术协会
国际屈光手术协会(ISRS)
26项发明专利[青光眼手术/葡萄膜炎/斜视/黄斑变性/结膜炎/视网膜病

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约根森博士 Dr. Jørn S. Jørgensen

约根森博士
Dr.Jørn S. Jørgensen

德视佳眼科集团创始人
欧洲眼科医生导师
拥有35年眼科从业经历

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格欧蕾莎医生 Dr.Olesia Ziiatdinova

欧蕾莎医生
Dr.Olesia Ziiatdinova

白内障和屈光外科医生
拥有两项眼科手术专利
技术蔡司研讨会“优异演讲者”

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格兰·赫尔加森博士Dr. Göran Helgason

赫尔加森博士
Dr.Göran Helgason

拥有35年眼科临床经验
瑞典和欧洲科学委员会顾问
国际眼科组织的成员
多焦点晶体,ICL晶体植入(手术高度近视),激光和白内障手术的医生经验

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蔡司X德视佳双认证全飞秒激光手术医生

贺纯纯 博士 Dr. Emily He

贺纯纯 博士
Dr. Emily He

同仁医院眼科博士
北京德视佳医疗副总监、主诊医生

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钟潇健 医学博士 Dr. Mike Zhong

钟潇健 医学博士
Dr. Mike Zhong

中山大学中山眼科博士(眼科学)
德视佳眼科集团主诊医生

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莱瑞莎医生 Dr.S.K. Larysa

莱瑞莎医生
Dr.S.K. Larysa

毕业于卢甘斯克州立医科大学
乌克兰眼科协会会员
曾参与瑞士SOE AAO会议
视网膜诊断,屈光手术方案制定(包含:近视,散光,白内障,老花),Yag手术等...

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姚文琴 医生 Dr. Ellen Yao

姚文琴 医生
Dr. Ellen Yao

德视佳眼科全飞秒手术医生
上海手术机构屈光医生

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周丽娜 主治医师 Dr. Lina Zhou

周丽娜 主治医师
Dr. Lina Zhou

蔡司全飞秒手术认证医师
北京华贸中心德视佳眼科主诊医师

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ASTIGMATISM – THE PROBLEM IN DETAIL

Normal Vision

Good vision requires a sharp image being produced on the retina at the back of the eye. The optical system (cornea, crystalline lens and vitreous body) of a normal eye diverts light rays in a way that they land exactly in focus at the point of best vision on the retina, the so-called makula. This diversion of light rays is called refraction. The total refractive power is expressed in diopters (D). The total refractive power is determined on the basis of the different parts of the optical system. When the total refraction is zero diopters, objects will be depicted sharply on the retina.

Astigmatism

Ideally the curvature of the cornea is shaped regularly like the surface of a ball. Astigmatism occurs when the corneal surface is more an irregular shape, more like that of an egg. Instead of gathering in a single point, light focuses at several different points both in front of and behind your retina, causing blurred vision. The light is refracted differently through the different curvatures of the cornea, e.g. vertical light rays are refracted differently than horizontal ones. This results in a distorted image, and a dot may appear as a line. The optical correction is made by changing the refractive power so that the two focal points are shifted exactly onto the retina – basically the same effect as can be achieved with a toric cylindrical lens.

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