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Astigmatism

Astigmatism: Introduction

Astigmatism: A condition which is characterized by ametropia caused by differences in the curvature of the refractive surfaces of the eye. See detailed information below for a list of 31 causes of Astigmatism, Symptom Checker, including diseases and drug side effect causes.

» Review Causes of Astigmatism: Causes | Symptom Checker »

Home Diagnostic Testing and Astigmatism

Home medical tests possibly related to Astigmatism:

Astigmatism: Symptom Checker

Listed below are some combinations of symptoms associated with Astigmatism, as listed in our database. Visit the Symptom Checker, to add and remove symptoms and research your condition.

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Astigmatism Treatments

Some of the possible treatments listed in sources for treatment of Astigmatism may include:

Review further information on Astigmatism Treatments.

Stories from Users for Astigmatism

Real-life user stories relating to Astigmatism:

Astigmatism: Animations

Astigmatism: Comorbid Symptoms

Some of the comorbid or associated medical symptoms for Astigmatism may include these symptoms:

Causes of General Symptom Types

Research the causes of these more general types of symptom:

Causes of Similar Symptoms to Astigmatism

Research the causes of these symptoms that are similar to, or related to, the symptom Astigmatism:

Astigmatism: Research Related Doctors & Specialists

Other ways to find a doctor, or use doctor, physician and specialist online research services:

Astigmatism: Undiagnosed Conditions

Conditions that are commonly undiagnosed in related areas may include:

Article Excerpts about Astigmatism

Astigmatism is a condition in which the uneven curvature of the cornea blurs and distorts both distant and near objects. A normal cornea is round, with even curves from side to side and top to bottom. With astigmatism, the cornea is shaped more like the back of a spoon, curved more in one direction than in another. This causes light rays to have more than one focal point and focus on two separate areas of the retina, distorting the visual image. Two-thirds of Americans with myopia also have astigmatism. (Source: excerpt from Facts About the Cornea and Corneal Disease: NEI)

Astigmatism is a condition in which the uneven curvature of the... (Source: excerpt from Facts About the Cornea and Corneal Disease: NEI)

Definitions of Astigmatism:

Unequal curvature of the refractive surfaces of the eye. Thus a point source of light cannot be brought to a point focus on the retina but is spread over a more or less diffuse area. This results from the radius of curvature in one plane being longer or shorter than the radius at right angles to it. (Dorland, 27th ed)
- (Source - Diseases Database)

(ophthalmology) impaired eyesight resulting usually from irregular conformation of the cornea
- (Source - WordNet 2.1)

Optical defect in which refractive power is not uniform in all directions (meridians); light rays entering the eye are bent unequally by different meridians, which prevents formation of a sharp image focus on the retina.
- (Source - CRISP)

Detailed list of causes of Astigmatism

The list below shows some of the causes of Astigmatism mentioned in various sources:

How Common are these Causes of Astigmatism?

This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Astigmatism. Of the 31 causes of Astigmatism that we have listed, we have the following prevalence/incidence information:

  • 0 causes are "very common" diseases
  • 0 causes are "common" diseases
  • 0 causes are "uncommon" diseases
  • 0 causes are "rare" diseases
  • 1 causes are "very rare" diseases
  • 30 causes have no prevalence information.

Conditions listing medical symptoms: Astigmatism:

The following list of conditions have 'Astigmatism' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

Select from the following alphabetical view of conditions which include a symptom of Astigmatism or choose View All.

View All A B C E F G J K M O R V

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E

F

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Conditions listing medical complications: Astigmatism:

The following list of medical conditions have Astigmatism or similar listed as a medical complication in our database. The distinction between a symptom and complication is not always clear, and conditions mentioning this symptom as a complication may also be relevant. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.

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What are the alternative names for Astigmatism:

Cylindrical refractive error
- (Source - Diseases Database)

Classifications of Astigmatism:

Medical Conditions associated with Astigmatism:

Eye symptoms (5412 causes), Face symptoms (8109 causes), Head symptoms (10192 causes)

Symptoms related to Astigmatism:

Vision symptoms (2526 causes), Short sighted, Long sighted, Blurred vision (982 causes), Double vision (221 causes), Visual error, Corneal curvature, Visual acuity, Keratometry, Refraction

Medical articles on signs and symptoms:

Doctor-patient articles related to symptoms and diagnosis:

These general medical articles may be of interest:

Related medical articles from our Disease Center for Astigmatism:

More Ways To Research Medical Signs and Symptoms:

 

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