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Alcon AcrySof Toric Lens Implant.

alcon acrysof toric lens implant arizona

For Patients with Astigmatism.

East Valley Ophthalmology offers the AcrySof Toric lens implant, a design proven to correct for both cataracts and astigmatism simultaneously. Implanted in the eye to restore single-distance vision after cataract surgery, the AcrySof Toric lens has a unique patented design that provides both spherical and astigmatic correction. The AcrySof Toric intraocular lens belongs to the trusted family of Alcon AcrySof lens implants that are some of the most widely used intraocular lens for cataract surgery, with more than 30 million implanted worldwide. We invite you to call to have your questions answered or to make an appointment: 480-981-6111.

alcon acrysof toric lens implant arizona  

AcrySof Toric Lens Implant.

The AcrySof Toric lens is designed to reduce corneal astigmatism and improve uncorrected functional distance vision. The AcrySof Toric lens offers these advantages over traditional lens implants:

  • Correction of corneal astigmatism
  • Enhanced clarity and quality of uncorrected distance vision.
  • Filtered blue light protection
  • Rich, vibrant color perception
The AcrySof Toric lens is ideal for patients who wish to be corrected for distance vision and are comfortable wearing glasses. Because this lens does not offer the ability to accommodate or adjust one's vision to varying distances, glasses would be required for near and intermediate tasks for people who have this implant.

The AcrySof Toric lens implant is also an excellent choice for those who drive a lot at night, as it delivers great clarity with minimal reports of glare or haloes under both bright and dim lighting conditions.

Corneal Astigmatism:

surgical correction of astigmatism

Whether myopic or hyperopic, most eyes have corneal astigmatism to some degree. Corneal astigmatism means that the front part of your eye, the clear window you look through, is not perfectly round. Instead of being spherical like a basketball, an astigmatic cornea is slightly flattened, more oval in shape like a football, with one side steeper than the other (as illustrated above).

  surgical correction of astigmatism

Because the astigmatic cornea is curved more (steeper) in one direction than the other, light entering the eye is refracted differently as it passes through these different areas. This causes light to come into focus at several different points on the back of the eye, rather than ideally coming into focus at just one point (note the illustration, right).

Depending on the direction and the amount of astigmatism, vision through an astigmatic cornea will be affected in various ways. The illustration (below) gives a broad example of the visual effects, depending on the overall direction of the curve:

correction of astigmatism mesa arizona

Limbal Relaxing Incisions For The Correction of Astigmatism

It is most common for eye surgeons to simply prescribe glasses or contact lenses for the correction of astigmatism after cataract surgery. Some surgeons will treat corneal astigmatism at the time of cataract surgery by placing "limbal relaxing incisions" (LRI's). This involves making tiny incisions in the cornea to "relax" or flatten the steeper meridian, thereby causing the corneal curvature to become more rounded, reducing astigmatism.

  limbal relaxing incisions surgical correction of astigmatism

These long, thin incisions are placed at the very edge of the cornea (known as the corneal limbus) on the steepest meridian, and differ in number and length according to the amount of astigmatism. Relaxing incisions generally do not eliminate corneal astigmatism completely, but rather reduce it to an acceptable level. Because the cornea is living tissue, there may be "over-response" or "under-response" to these incisions. Seldom is corneal astigmatism completely resolved; however, a significant reduction in your astigmatism produces a more satisfactory uncorrected visual result.

Some patients with extreme amounts of astigmatism may still require the addition of limbal relaxing incisions to correct astigmatism after cataract surgery with the AcrySof toric lens. For the patients, with unusually high amounts of astigmatism, implanting the toric lens means that less corneal surgery in the form of a limbal relaxing incision is needed to achieve the same amount of correction.

In the future, the AcrySof Toric Lens will be available in higher powers of astigmatic correction so that for very high amounts of corneal astigmatism can be corrected without the need for the addition of limbal relaxing incisions.

UV Blue Light Protection

In addition to its refractive role, the natural lens inside your eye is also responsible for filtering high-energy blue light commonly found within the sun's rays and some artificial light. As part of the aging process, your natural lens gradually turns yellow and it is thought that this change in color may help to protect the aging retina by filtering more of the these harmful wavelengths.

When your natural lens is removed during cataract surgery, the eye loses the ability to filter blue light because most available lens implants are clear and filter UV light only. A cataract surgery patient receiving one of those implants is left vulnerable to the transmission of UV blue light. Some researchers believe that overexposure to blue light may be harmful to the retina and may contribute to macular degeneration and loss of vision. The AcrySof Toric lens implant is unique in its ability to filter blue light, having a patented yellow tint that filters both UV and blue light.

The light yellow color of the AcrySof Toric lens is very similar to that of your natural lens and is necessary to filter blue light, yet the Toric lens does not alter the natural colors of the things you see or change the quality of your vision. In fact, results of a recent study show equal or better color perception for patients implanted with the AcrySof Toric lens as compared to the same lens without the light yellow color.

Advantages of the AcrySof Toric Lens Implant

  • The AcrySof Toric intraocular lens is designed to correct for nearsightedness or farsightedness and corneal astigmatism of the human eye..
  • The AcrySof Toric intraocular lens is designed to have the lens capsule “shrink wrap” around it. This helps the lens stay stable and centered within the eye.
  • The patented yellow color of the AcrySof Toric intraocular lens implant is biocompatible and bonded to the structure of the acrylic material.
  • The yellow color of the AcrySof Toric intraocular lens implant, approximates the natural discoloration (i.e., natural yellowing) of a healthy adult crystalline lens, without a negative impact on color perception.
  • The AcrySof Toric intraocular lens implant is compatible with secondary cataract treatment (i.e., Nd:YAG laser treatment), if required.
The AcrySof Toric lens is available in a wide range of optical powers that effectively correct eye that are nearsighted and farsighted. As each patient is unique, both in physiology and in viewing distance preferences, the correct power intraocular lens for your cataract surgery will be selected using biometry equipment. An in-depth discussion of your needs and options will take place with your eye surgeon at East Valley Ophthalmology.

Make your appointment today with East Valley Ophthalmology, to see if the AcrySof Toric lens for the correction of astigmatism is right for you. If you would like further information, please call our office at:

480-981-6111

Arizona's Leading Eye Specialists

The eye specialists of East Valley Ophthalmology perform advanced technology diagnostic testing and treatment, as well as taking the time necessary to provide each patient with information needed to fully understand their condition and to achieve their best possible visual outcome.

If you or a family member or friend have not had a recent routine eye examination, have a specific eye condition that needs addressing, or are looking for an eye specialist or professional eye consultant please take a moment to Request an Appointment.

 


East Valley Ophthalmology, Arizona's premier eye specialists, provides this on-line information for educational and communication purposes only and it should not be construed as personal medical advice. Information published on this website is not intended to replace, supplant, or augment a consultation with an eye care professional regarding the viewer/user's own medical care. East Valley Ophthalmology's disclaims any and all liability for injury or other damages that could result from use of the information obtained from this site. Please read our full Disclaimer


East Valley Ophthalmology
5620 East Broadway Road
Mesa, Arizona 85206
480-981-6111

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