RxSight Light Adjustable Lens

RxSight™ Light Adjustable Lens

Your Vision. Your Way.

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What is the Light Adjustable Lens?

The RxSight™ Light Adjustable Lens(LAL) is the first and only intraocular lens (IOL) that can be customized after cataract surgery, and it’s FDA approved. With traditional IOLs, your physician performs measurements before your surgery to select the best IOL to try to achieve your vision goals. Once your surgery is complete and the IOL has been implanted, your physician has limited options to adjust the lens power.

With the RxSight™ Light Adjustable Lens, you and your doctor can now customize your vision after your eye has healed from cataract surgery. Your physician will customize your vision through a series of non-invasive light treatments that take only a few minutes each. Once your vision is fully adjusted, a final light treatment is used to lock in the results!

The Light Adjustable Lens delivers superior vision outcomes that non-adjustable IOLs cannot match. In a clinical study, the majority of patients who received the Light Adjustable Lens achieved 20/20 or better vision at 6 months without glasses.

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How Does It Work?

Crafted from a distinctive photosensitive material, the Light Adjustable Lens possesses the remarkable capability to be fine-tuned in reaction to ultraviolet (UV) light. This customization process is expertly performed by your eye care professional during the weeks following the implantation of the lens, employing a sequence of brief, non-intrusive light treatments. Each session lasts only a few minutes. You will have the unique ability to adjust and preview your vision until it meets your personal desires and lifestyle requirements. The Light Adjustable Lens delivers superior vision outcomes that non-adjustable IOLs cannot match.

Light Adjustable Lens Fast Facts

Do I Have to Wear UV Protective Glasses After My Adjustments?

Exposure to indoor and outdoor sources of UV light can cause uncontrolled changes to the Light Adjustable Lens until all light treatments are completed. To prevent this, patients must wear special UV protective glasses provided by RxSight during all waking hours (from time of lens implantation until 24 hours after the final lock-in light treatment is completed).

The clear pair of protective glasses must be worn indoors, and the tinted pair must be worn in all bright sunlight conditions. The glasses may be removed when sleeping, and may be temporarily removed when showering, washing the face, or applying eye drops as long as the patient is not exposed to direct sunlight.

Unprotected exposure to UV light during this period can result in unpredictable changes to the Light Adjustable Lens, which might necessitate removal of the lens.

Light Adjustable Lens FAQ's

How does the Light Adjustable Lens work?

The Light Adjustable Lens (LAL®) is made of a special photosensitive material that changes shape and power of the implanted lens in response to ultraviolet (UV) light. The light treatments are delivered by the RxSight® Light Delivery Device (LDD®) which are done in your doctor’s office. What makes the Light Adjustable Lens so unique is that these changes are made to the lens after it has been implanted in your eye and you have healed from surgery.

What should I expect in the period after cataract surgery?

Please follow all instructions provided to you by your eye doctor and staff, including use of the UV-blocking glasses that will be provided to you. As with any cataract surgery, your vision may not be perfect after surgery. While your eye doctor selected the lens they anticipated would give you the best possible vision, it was only an estimate. Fortunately, you have selected the Light Adjustable Lens! In the following weeks, you and your eye doctor will work together to optimize your vision. Please make sure to pay close attention to your vision and be prepared to discuss preferences with your eye doctor.

Why do I have to wear UV-blocking glasses?

The UV-blocking glasses provided to you protect the Light Adjustable Lens from UV light sources other than the LDD that your doctor will use to optimize your vision. Exposing the Light Adjustable Lens to other UV light sources can potentially change the lens correction in an uncontrolled manner. If you do not wear the provided UV-blocking glasses, your vision may not improve or it could get worse. If this happens, please contact your physician.

How long do I have to wear the UV-blocking glasses?

The UV-blocking glasses should be worn at all times until your eye doctor tells you that you no longer need to wear them (usually 24 hours after your final light treatment). Total wear is typically about 4 to 5 weeks in duration, however, this may vary depending on the number of light treatments delivered.

Can I wear my regular sunglasses that have UV protection?

No. You should wear the UV-blocking glasses provided to you. These glasses have a special protective coating that no other glasses have.

What happens if I lose or break my UV-blocking glasses?

It is very important that you do not forget to wear your UV-blocking glasses. However, if you do forget, please put them on as soon as you remember.

How many total light treatments will I need?

Numbing drops will be applied to your eye. There may be some mild pressure or discomfort, and some patients have perceived the treatment to be bright, however the light treatments should not be painful.

What should I expect after each light treatment?

Your vision may be blurry immediately after each treatment due to a gel used during application of the light treatment, but this should resolve quickly. Additionally, your eye may be dilated for the treatment, which may require wearing the tinted UV-blocking glasses for a few hours. It may take approximately 24 hours after each light treatment to notice an improvement in your vision. The light from the LDD may also cause a temporary or long-lasting pink or red afterimage. This tinge to your vision is especially noticeable on things that normally look white, but should resolve before your next light treatment. Speak with your doctor if the pink or red after image remains.

Activities You Can Participate in After Cataract Surgery


Unless your surgeon instructs otherwise, you may resume non-strenuous activities immediately after cataract surgery. These include:

  • Walking
  • Watching television
  • Reading
  • Bathing
  • Showering
  • Eating what you want

A week after cataract surgery, you can resume other activities like golf, dancing, playing tennis, very light weightlifting, and moderate exercise. You can resume all activities after two weeks, including more strenuous exercise.


Do you have Cataracts?

Learn more about cataracts and if it may be time for cataract surgery by requesting a cataract consultation at LaserVue Eye Center in San Francisco, CA, with Dr. Jay Bansal today!

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San Francisco

LaserVue LASIK and Laser Eye Surgery Center San Francisco
711 Van Ness Ave Suite 320,
San Francisco, CA 94102
Location & Map 1-800-527-3745 1-415-346-5500

Santa Rosa

Santa Rosa Business Location
3540 Mendocino Ave. #200,
Santa Rosa, CA 95403
Location & Map 1-800-527-3745 1-707-522-6200

Santa Rosa

Santa Rosa Business Location
3540 Mendocino Ave. #200,
Santa Rosa, CA 95403
Location & Map 1-800-527-3745 1-707-522-6200

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