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Regular Astigmatism

November 29, 2011  by: Dr. Simran Kaur  Points: 8   Category: Health  Earning $0.15   Views: 367

Regular astigmatism is a type of refractive error in which the refractive power varies from one meridian to another meridian.


Astigmatism is a kind of refractive error in which there is difference or variation of refraction in different meridia.

Types -

1. Regular astigmatism.

2. Irregular astigmatism.

Regular astigmatism is a type of refractive error in which the refractive power varies from one meridian to another meridian.


1. Corneal causes.

2. Lenticular causes.

3. Retinal causes.

Types - Regular astigmatism is of four types which are as follows-

1. With the rule astigmatism.

2. Against the rule astigmatism.

3. Oblique astigmatism.

4. Bioblique astigmatism.

Symptoms -

1. Difficulty in viewing object or various things.

2. Objects appear elongated than their actual size.

3. Asthenopic symptoms.

4. Dullness in eye.

5. Headache.

6. Feeling of heaviness in eyes.

7. Eyes feel tired, weak than usual.

8. Nausea.

9. Drowsiness.

10. Vomiting.


1. Retinoscopy.

2. Autoreferactometry.

3. Opthalmoscopy.

4. Keratometry.

5. Astigmatic fan test.

6. Computerized corneal topography.

7. Jackson's cross cylinder test.


1. Optical treatment.

2. Cylindrical lenses of appropriate power and axis.

3. Surgery.


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