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Astigmatism

An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horizontal lines will be in sharp focus at two different distances. The term comes from the Greek α- (a-) meaning "without" and στίγμα (stigma), "a mark, spot, puncture".

Source: Wikipedia

What are the symptoms?

Within all the people who go to their doctor with astigmatism, 70% report having diminished vision, 29% report having symptoms of eye, and 24% report having lacrimation. The symptoms that are highly suggestive of astigmatism are diminished vision, symptoms of eye, lacrimation, spots or clouds in vision, foreign body sensation in eye, eye deviation, eye moves abnormally, and cross-eyed, although you may still have astigmatism without those symptoms.


What might my doctor prescribe?

Common Tests and Procedures

Patients with astigmatism often receive ophthalmologic and otologic diagnosis and treatment, ophthalmic examination and evaluation, other therapeutic procedures on eyelids; conjunctiva; cornea, other extraocular muscle and orbit therapeutic procedures, other intraocular therapeutic procedures, other diagnostic radiology and related techniques and lens and cataract procedures .

Common Medications

The most commonly prescribed drugs for patients with astigmatism include tropicamide ophthalmic, phenylephrine (duramax), timolol, prednisolone ophthalmic, cyclopentolate ophthalmic, proparacaine ophthalmic, atropine (uaa), nepafenac ophthalmic, erythromycin ophthalmic, tetrahydrozoline ophthalmic, cyclosporine ophthalmic, sodium chloride, hypertonic, ophthalmic and prasugrel (effient) .

Who is at risk?

Groups of people at highest risk for astigmatism include race/ethnicity = other age 5-14 years.

Age

< 1 years
0.6x
1-4 years
1.5x
5-14 years
3.5x
15-29 years
1.0x
30-44 years
0.6x
45-59 years
0.8x
60-74 years
0.7x
75+ years
0.4x

Sex

Male
1.0x
Female
1.0x

Race/Ethnicity

Black
1.1x
Hispanic
1.4x
White
0.8x
Other
2.4x
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