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Clear Advantage Laser Vision Correction Center
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Eye Conditions

Myopia DiagramMyopia

Myopia – or nearsightedness, is the ability to clearly see objects up close, but not those at a distance. Myopic patients generally have an eye that is too long or a cornea that is too steeply curved.

This causes light to focus in front of the retina, rather than directly upon it. When correcting for myopia, the laser will flatten the corneal tissue moving the image to the retina.

Astigmatism DiagramAstigmatism

Astigmatism – is a vision condition that occurs when the cornea (the front of your eye) is slightly irregular in shape.

This irregular shape prevents light from focusing properly on the retina, or the back of your eye, and causes multiple points of light.

As a result, your vision may be blurred at all distances. People with severe astigmatism will usually have blurred or distorted vision, while those with mild astigmatism may experience headaches, eye strain, fatigue, or blurred vision at certain distances. Most people have some degree of astigmatism.

Clear Advantage was recognized as a Specialized Astigmatism Center by Technolas PV in 2012. Our multiple laser platforms allow us to treat most myopic and hyperopic prescriptions with or without astigmatism.

Hyperopia DiagramHyperopia

Hyperopia – or farsightedness, is the ability to clearly see objects at a distance, but not those up close.

This condition occurs when the eye is too short or the cornea is too flat, causing light to focus behind the retina.

People with farsightedness can often see objects that are farther away with much more clarity than objects that are up close.
During the LASIK treatment, the laser will steepen the cornea.

Presbyopia DiagramPresbyopia

Presbyopia – is the gradual loss of the eye’s ability to focus actively on nearby objects. It is a natural part of aging that usually begins to affect people after age 40.

For most people, presbyopia becomes apparent when they need to hold print at arm’s length in order to read it.

Schedule your free consultation to see if you are a candidate for the variety of ways Clear Advantage can help you deal with presbyopia.

Jennifer Argiras, 32

Pre-operative prescription
Right eye: -1.25 -0.25 x180 Left eye: -1.00 -0.50 x180
Vision without corrective lenses after surgery: 20/15

"I am writing this less than 24 hours after the procedure, and I'm thrilled with the results. I was very nervous, as I am about any medical procedure, but the staff and doctors could not have made the experience better. It was painless, fast and everyone made me comfortable. And the results are amazing. Thank you, thank you, thank you."

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155 Borthwick Avenue,
Suite 200 E.
Portsmouth, NH 03801


Clear Advantage Laser