Category Archives: Causes of Blurry Vision

Video – What Is Astigmatism? What Causes Astigmatism?

Video - What Causes Astigmatism?

Video - What Causes Astigmatism?

Click the video above to learn what is the cause of Astigmatism. It is most commonly caused when the shape of front surface of your eye (called the cornea) is not perfectly round (like a baseball)  but, it is more oblong shaped (like a football).  When this oblong shape is located on the cornea then it is called “Corneal Astigmatism”.  Less often, the lens inside your eye (located right behind the colored part of your eye called the iris) can also be oblong shaped.  This is called “Lenticular Astigmatism”.

Most commonly, people are born with this oblong shape to their eyes and often it can become a bit worse as time goes on.  More rarely – astigmatism can be induced by a trauma to the eye.

Astigmatism causes a blur and distortion to your vision – for both distance and near objects.  The higher the amount of astigmatism – the worse the blur and distortion will be. Astigmatism can be corrected with a variety of options – glasses, contact lenses (called toric or astigmatic contacts) and laser vision surgery.

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A Treatment for Dry Eye – Punctal Plugs

There are several treatments for Dry Eye including using artificial tears, prescription eye drop medications like Restasis, eating a diet that is rich in Omega 3 fatty acids (salmon, fish oil supplement capsules or flaxseed oil) and punctal plugs.

Dry eyes are very common problem for many people.  Symptoms of dry eyes can include burning, dry eye feeling, itching, intermittent vision blur (that clears up when you blink) and excess tearing (the brain’s natural response to eye dryness).

Punctal plugs are used when you are producing very little tear fluid to properly bathe your eyes.  The plugs are inserted into your puncta (the opening of your tear drainage duct) to help preserve what little tears that you do have.  Punctal plugs keep your tears ON the surface of your eye (instead of draining out the drainage duct).

The procedure is quick and painless and can be done right in the office examination room.  The plugs are inserted painlessly in our office in about 5 minutes.

There are 2 types of plugs – collagen (disolvable) and silicone (non-disolvable – but still removable if you ever want them removed).

At Visionary eyecare we usually insert collagen (disolvable ) plugs into the lower puncta of each eye as a trial test.  The plugs will usually last for 3-5 days.  In about a week, we will bring you back for a follow up.  If you are happy with the amount of moisture in your eyes at your follow up – then we proceed to insert the silicone (non-disolvable) plugs into your lower puncta.

If you feel that you would like more moisture – then we will insert the collagen (disolvable) plugs into your upper AND lower puncta and bring you back for a follow up in about a week.  If you are happy with the amount of moisture then we will proceed to insert the silicone (non-disolvable) plugs into all 4 puncta (the upper and lower puncta in each eye).

These plugs can also be called Lacrimal Plugs….and they are NOT felt once they are inserted into your punctas.

The Picture Above shows a Collagen Plug in the Upper Puncta and a Silicone Plug in the Lower Puncta.

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Online Eye Test For Astigmatism

Astigmatism is a visual condition caused when some surfaces of the eye are oval shaped….like a football or an egg.  These surfaces in the eye that are oval shaped can be the cornea (the front of the eye) or the lens (inside the eye). Most often astigmatism is caused by the cornea being oblong or oval shaped.

This oblong shape causes the light rays that enter the eye to be distorted and not focus properly on the retina in the back of the eye.  If you have uncorrected astigmatism, you can have various symptoms such as blurry vision, eyestrain, tired eyes, headaches or fatigue.

Here are several links to websites that have online testing for astigmatism. Check them out!!

CLICK HERE for ONLINE ASTIGMATISM TEST #1

CLICK HERE for ONLINE ASTIGMATISM TEST #2

CLICK HERE for ONLINE ASTIGMATISM TEST #3

CLICK HERE for ONLINE ASTIGMATISM TEST #4

Astigmatism can be quickly and easily corrected with eyeglasses, contact lenses (called astigmatic or toric contacts) or Laser Surgery (called Lasik).

If you feel that you may have astigmatism and you need correction OR if has been more than 12 months since you have seen an eye doctor…..its time for you to schedule an eye exam!

Astigmatism Diagram courtesy of:

Click on the WebMD Logo above

to check out more information on Eye Health!

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