The Light Adjustable Lens Revolutionizes Cataract Surgery

Allan Rutzen

As an ophthalmologist performing cataract surgery since the mid-1990s, I’ve witnessed remarkable advances in the field — from ultrasound-assisted cataract removal to laser cataract surgery and increasingly sophisticated intraocular lenses (IOLs). Among these innovations, the Light Adjustable Lens (LAL) stands out as a major leap forward, offering patients an unprecedented opportunity to fine-tune their vision after surgery — often eliminating the need for glasses.

Cataracts are a natural consequence of aging. They occur when the eye’s clear natural lens becomes cloudy, leading to blurry or dim vision. Cataract surgery, one of the most commonly performed procedures in medicine, involves removing this cloudy lens and replacing it with a clear artificial intraocular lens (IOL).

Traditionally, IOLs are selected before surgery based on detailed measurements of the eye. While these “fixed” lenses generally offer much-improved vision, there is some expected variability in the healing process that can leave patients still relying on glasses for optimal clarity.

The Light Adjustable Lens (LAL) changes that. Though the surgical procedure is largely the same, the LAL’s unique advantage is in what happens after surgery. About three weeks after surgery — once the eye has healed and vision stabilizes — we evaluate a patient’s vision to determine if focus can be improved. If so, we use a precise, painless UV light treatment in the office to reshape the lens and adjust its focusing power. Up to three adjustments can be made, followed by two “lock-in” treatments to permanently set the lens.

One of the most exciting aspects of the LAL is that patients can essentially “test drive” their vision. Some patients choose optimal distance vision in both eyes, while others prefer to adjust one eye for distance and one eye for intermediate vision, ideal for tasks like using a cellphone or computer. This degree of customization isn’t possible with traditional “fixed” lenses.

Not every patient is a candidate. The LAL requires additional post-operative visits, and certain eye conditions such as severe macular degeneration, corneal scarring, or small pupils can interfere with accurate measurements and UV light treatments. Additionally, the lens involves an out-of-pocket cost not covered by insurance or Medicare.

For those who qualify, the results can be extraordinary. One of my patients recently said, “I never imagined I’d see this well after surgery, and without glasses!” While we can’t guarantee perfect vision, the ability to fine-tune focus after surgery makes the LAL the most precise and customizable lens I’ve ever used.

Rutzen Eye Specialists & Laser Center is located at 489 Ritchie Highway, Suite 200, in Severna Park. Learn more about the practice at www.rutzeneye.com or by calling 410-975-0090.

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