Eyeworld

I N FOCUS 46 | EYEWORLD | DECEMBER 2019 EXAMINING PRESBYOPIA TREATMENTS afternoon, that's 20 minutes of intense concen- tration. You can do it, but it's a unique skill." Plan with your staff when to best schedule light adjustments to take advantage of your peak concentration. 4. Make sure to follow the recommended protocols from the FDA trials regarding the light adjustments. You want to perform the light adjustments on an eye that has a stable refractive state to assure you are not treating a moving target. per patient. "That's a lot of time and effort, and it's a lot of coordination with you, your office, and patients," Dr. Waltz said. To help manage this, have key staff come along during a site vis- it to see how experienced offices schedule those light adjustments. Also, consider offering more than one day or afternoon a week for those light adjustments, to help meet patients' busy schedules. It may be helpful to have a partner who also offers the LAL to help broaden the adjustment schedule. 3. Plan the light adjustments around your peak concentration time. "Using the light delivery process is not hard, but it takes an incredible concentration," Dr. Waltz said. "It's a minute or two of holding something exactly center with an eye that is moving, and that takes some real concentration. If you do 10 in one continued from page 45 How the Light Adjustable Lens works Light from the RxSight LDD is directed by the surgeon to the RxLAL Macromers in the path of the light are photopolymerized Unpolymerized macromers move into the exposed area, causing precise shape and power change The entire lens is exposed to light to polymerize all the remaining macromers The outcome is a precise change in the RxLAL power to match the patient's individual prescription Adjustment beam Photo polymerization Diffusion and power change Lock-in beam Final result Method of action A g B g C g D g

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