What is Irregular Astigmatism?

Irregular astigmatism is refractive error in which there is change of refractive power in indifferent way or in irregular way in different meridia.

Types-

1. Curvatural irregular astigmatism.

2. Index irregular astigmatism.

Symptoms-

1. Difficulty in viewing things.

2. Blurred images.

3. Polyopia.

Investigations-

1. Placido’s disc test.

2. Photokerotoscopy.

3. Computerized corneal topography.

Treatment-

1. Optical treatment.

2. Photo-therapeutic keratectomy.

3. Surgery.

Do you know about- Acute Membranous Conjunctivitis

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