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PRK (Photorefractive Keratectomy) is a vision correction procedure which uses a laser to reshape the cornea. and takes just a few minutes and is done under topical anesthesia.

The cornea is a part of the eye that helps focus light to create an image on the retina. It works in much the same way that the lens of a camera focuses light to create an image on film. The bending and focusing of light is also known as refraction. Usually the shape of the cornea and the eye are not perfect and the image on the retina is out-of-focus (blurred) or distorted.

These imperfections in the focusing power of the eye are called refractive errors. There are three primary types of refractive errors: They are myopia, hyperopia and astigmatism. Persons with myopia, or nearsightedness, have more difficulty seeing distant objects as clearly as near objects. Persons with hyperopia, or farsightedness, have more difficulty seeing near objects as clearly as distant objects. Astigmatism is a distortion of the image on the retina caused by irregularities in the cornea or lens of the eye. Combinations of myopia and astigmatism or hyperopia and astigmatism are common.
 

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  MYOPIA (Nearsighted)   HYPEROPIA (Farsighted)
     
 

Light rays are focused in front of the retina instead of directly on the retina

 

Light rays are not bent enough to focus directly on the retina

 
  ASTIGMATISM   PRK  
     
 

Light rays are focused at more than one point on the retina

 

The Cornea is reshaped so light rays can focus directly on the retina

 

To treat nearsightedness, the cornea is made flatter by removing tissue from the center of the cornea.

To treat farsightedness, the flat cornea is made steeper by removing peripheral tissue in a ring shape on the outer edges of the cornea. This steepens the central visual part of the cornea.

To treat astigmatism, the cornea is made less oval shaped. Astigmatism means that the eye has an oval or football shape.

The laser reduces the oval shape making the focusing ability clear in all directions. Astigmatism can be treated at the same time as nearsightedness and farsightedness.
 

 
 
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Optic Gallery - Aliante 6592 N. Decatur Blvd. Ste 130. Las Vegas, NV 89131 Phone: (702) 998-8080
Optic Gallery - Arroyo 7290 Arroyo Crossing Pkwy, Ste 160 Las Vegas, NV 89113 Phone: (702) 451-3937 Fax: (702) 451-2010
Optic Gallery - Boca Park 8880 W Charleston Blvd, Las Vegas, NV 89117 Phone: (702) 938-2020 Fax: (702) 938-2034
Optic Gallery - Centennial Hills (Ann & 95) 5705 Centennial Center Blvd, Ste 150 Las Vegas, NV 89149 Phone: (702) 868-2020 Fax: (702) 655-2050
Optic Gallery - Centennial Hills (North Durango & 215) 6620 North Durango Dr. Las Vegas, NV 89149 Phone: 702-227-2020 Fax: 702-396-2022
Optic Gallery - Ft. Apache/Tropicana 5060 S. Ft. Apache Rd. Las Vegas, NV 89148 Phone: (702) 586-5222
Optic Gallery - McCarran Marketplace 5905 S. Eastern Ave, Ste 101 Las Vegas, NV 89119 Phone: (702) 893-3937 Fax: (702) 893-3429
Optic Gallery - Sahara 2580 S. Decatur Blvd, Ste 6 Las Vegas, NV 89102 Phone: (702) 876-2020 Fax: (702) 876-0005
Optic Gallery - Seven Hills 3195 St. Rose Pkwy, Ste 100 Henderson, NV 89052 Phone: (702) 634-2020 Fax: (702) 616-1544
Optic Gallery - Stephanie/Warm Springs 543 N. Stephanie St. Ste 110 Henderson, NV 89014 Phone: (702) 888-1079 Fax: (702) 333-1016
Optic Gallery - Summerlin 7450 W. Lake Mead Blvd, Ste 2 Las Vegas, NV 89128 Phone: (702) 654-2020 Fax: (702) 360-4087
Optic Gallery - The District 2260 Village Walk Dr, Ste 108 Henderson, NV 89052 Phone: (702) 871-3937 Fax: (702) 871-3936

Optic Gallery proudly serves the Las Vegas Valley areas of Henderson, Summerlin, Centennial Hills, Spring Valley, Paradise, Green Valley Ranch, Whitney and Winchester.

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