The Light Adjustable Lens corrects astigmatism, farsightedness, and nearsightedness. Their corneas where evaluated for evidence of morphological damage to the endothelial cells by staining with trypan blue and alizarin red and found that the irradiation dose used to treat the LAL was not associated with damage to the endothelial cells. Sandstedt CA, Chang SH, Grubbs RH, Schwartz DM, Light-adjustable lens: customizing correction for multifocality and higher-order aberrations. The ability to correct these refractive errors allows patients to experience clear vision without glasses after cataract surgery. Dr. Chang said that refractive accuracy has improved thanks to advances such as intraoperative aberrometry, improved biometry, and better calculation methods, but these are all still different methods for IOL power prediction. They jointly developed a lens whose three dimensional structure could be altered non-invasively with the application of light energy. The UV light is focused on the IOL with the help of a contact lens placed over the cornea. If you want the convenience of being able to adjust your lenses on the fly, and dont mind paying a higher price for the privilege, then light adjustable lenses could be the ideal choice. Ninety-two percent of the eyes treated were within 0.25 D of the targeted refraction and all stable within 0.25 D by last follow-up of up to nine months. Jahn CE, Schopfer DC, Cataract surgery with implantation of a mechanically and reversibly adjustable intraocular lens: *Acri.Tec AR-1 posterior chamber intraocular lens. This real world data set reported that 27% of eyes failed to land within 0.5 D of the spherical refractive target.1. Connected to the optic is a haptic containing an adjustment element, formed by an interruption of the haptic consisting of a cylinder 1.0 mm high attached to the optic, which contains a piston attached to the outer part of the haptic. This edition features some wide-ranging and insightful articles from top names in ophthalmology from around the globe. 8:00 AM - 5:00 PM Hengerer FH, Dick HB, Conrad-Hengerer I, Clinical Evaluation of an Ultraviolet Light Adjustable Intraocular Lens Implanted after Cataract Removal Eighteen Months Follow-up. The Light Adjustable Lens is the only IOL that can be adjusted non-invasively after its insertion in the eye. Ophthalmology. After the eye heals (2 -4 weeks after IOL implantation), refraction is done. An important caveat in patient selection is that a pre-operative dilated pupil size larger than 7.0 mm must be confirmed before implantation off the LAL, since this is the pupil size needed postoperatively for the adjustments and specially the lock-in procedure. RLE is an ideal surgical procedure for correcting presbyopia. She graduated in pharmacology and statistics (MSc) and completed her PhD thesis in anatomy. Dr. Chang and Dr. Maloney have financial interests with RxSight. J cataract Refract Surg. You can also find these lenses under the terms, "light-adaptive lenses", "variable tint lenses", or "photochromic lenses". If you choose a premium lens, they can even provide you with better vision. Transition Lenses Pros & Cons. Chayet A, Sandstedt C, Chang S, et al., Use of the light-adjustable lens to correct astigmatism after cataract surgery. Minor complications include temporary dryness of eye and activation of an preexisting herpetic eye disease. Popular prime lens focal lengths are 35mm, 50mm, and 85mm. The pros and cons of cataract surgery using a multifocal lens involve your long-term vision health. We've copied your review, after you click 'Publish' please paste your review by selecting 'ctrl' + 'v' into the review comments section. If you need cataract surgery or are interested in lens-based vision correction, you need to consider what type of intraocular lens (IOL) is right for you. 450-500nm of light is the blue light range that affects the sleep cycle. Alternatively, you can choose to have an IOL implanted in one eye to improve your distance vision and one implanted in the other eye to improve your near vision. Thirteen of the 14 eyes (92.9 %) treated were within 0.25 D of the targeted refraction and all adjustments were stable within 0.25 D by last follow up. The best number for every other lens is about 70%, he said. In fact, 95% of our laser cataract patients are seeing 20/25 or better! Most patients usually need 2 or 3 sessions each. Format: video. u nhc im v khi no nn dng? We all know that mini-monovision is extremely popular for contact lens wearing presbyopes, largely because the anisometropia can be adjusted and can be reversed if it is not tolerated. He added that adjustable IOLs will give patients the ability to try out different amounts of pseudophakic anisometropia before the cataract surgeon delivers this result with confidence. Her activity is distributed across [], Iam delighted to welcome you to the Spring 2020 edition ofUS Ophthalmic Review. With this method, the natural lens stays in place and the lens is inserted to rest in the space between the iris and the lens. u nhc im v chi ph ht bao nhiu, Hi p v iu chnh th lc bng phng php phu thut LASIK. Refractive lens exchange helps in promoting your overall eye health by correcting the poor refraction in your eye. Each year, more and more advanced IOLs enter the market. Clinical results have been positive, with the largest series (122 eyes) showing 97 % of patients within 0.25 D of attempted spherical equivalent and 100 % uncorrected vision 20/25 or better. Adjustments in the range of +0.25 to +2.0 D were performed and the patients followed for six months. Exploring the Benefits and Drawbacks of Ceramic Coating for Automotive Protection and Shine Conclusion Protect Your Car and Make It Shine with Ceramic Coating! Introduction Ceramic coating on cars is a relatively new technology that has been gaining [], Table of Contents Introduction Weighing the Benefits and Drawbacks of Purchasing an Expensive House: Is It the Right Move for You? Eggleston3 patented a mechanically adjustable IOL whose power is adjusted by rotation of the optic in a screw guide6 and later reported on the possibility of performing the adjustment non-invasively with the use of samarium and cobalt magnets.7 In this prospective study, 97 % of patients were within 0.25 D of attempted spherical equivalent refraction and 100 % had an uncorrected visual acuity of 20/25 or better. Despite the higher cost, light adjustable lenses offer a huge variety of benefits. t l thnh cng v nhng bin chng gp phi, n gii, knh c sch y ri! Over a 12 hour period, the remaining unexposed macromers physically diffuse into the exposed area until there is no concentration gradient, causing an highly predictable change in the lens curvature and the refractive power change of the the lens. I think that patients, their referring optometrist, and their cataract surgeon will all be happier with this arrangement.. If anyone deserves a award it would be Loden Vision Center. Lets find out! This innovative technology will help you achieve accurate vision correction that is . They will also show you different visual options to determine the best prescription. As cataract surgery has evolved and small incision phacoemulsification has become the dominant procedure, surgeons have been on a continual quest to provide patients with an emmetropic visual outcome.1 As visual outcomes have improved over the years with developments in biometry and IOL calculation formulas,2931 patients have become more demanding, expecting at least emmetropia if not presbyopic correction. The other issue is compliance with the wear of UV protective spectacles by the patient until lock-in is performed to avoid unplanned UV exposure with its consequent change in LAL power (this is because the photoreactive macromer undergoes photopolymerisation when exposed to ambient UV light). This element allows the optical part of the IOL to move along the optical axis. After implanting the LAL, your ophthalmologist => Read More Recent Advances in Cataract Surgery: Light Adjustable Lens Cataract disrupts transmission of light through lens. Data on 16 eyes post-refractive surgery was recently presented by Dr Rocha during the 2011 annual meeting of the Canadian Ophthalmological Society.28 Seventy-five per cent of the eyes were within 0.25 D of intended correction and 95 % were within 0.50 D, results that seem rather promising. Two weeks after surgery, the doctor measures your vision, and then shines a . But this lens isnt customized before you have it put in your eye. => Read More, Nc nh mt Rohto Nht Bn Vitamin h tr mt mi yu chng cn th. The rabbits were killed a week after the irradiation and their eyes enucleated and processed for histopathology. The FDA approval was for postoperative adjustment of sphere and cylinder, Dr. Chang said. Light adjustable IOL is a novel way to deliver customized monovision. An apodised filter is included in the optical assembly to create a specific beam-intensity profile projected onto the implanted lens.4 The LDD generates and projects a spatial irradiance pattern onto the LAL using a digital mirror device. If you are using a screen reader and are having problems using this website, please call (615) 859-3937. The only way to know if the Light Adjustable Lens is right for you is to schedule a cataract screening at Loden Vision Centers in Nashville, TN! The number of light treatments required to achieve the desired power can range from 2 to 4 , each lasting for approximately 40- 120 seconds (mean of 90 seconds) and separated by approximately 3 days. The corneal astigmatism can change over time which might effect the permanence of the vision provided by the LAL. Although they are FDA-approved, there are still downsides to selecting PanOptix trifocal lenses. The cylinder and the piston can be moved relative to each other. The Light Adjustable Lens is a unique IOL that offers patients truly customized vision after theyve had cataract surgery. It is important to note that all the light adjustments are to be done with a pupil dilatation of around 7 mm as the optic of LAL is 6 mm in diameter. . The light adjustable lens (LAL) received approval by the FDA in 2017. From everything we can tell with long-term results, in our centers and long-term data outside the U.S., the IOL remains stable.. We probably have not yet seen the full potential of this technology, the Digital LDD has corrected up to 4 D of refractive error during in vitro studies and its capable of customised adjustments that could be applied to compensate for irregular astigmatism, such as after corneal transplantation, radial keratotomy, or irregular corneal ablations.4 Similarly, Wavefront-based adjustments could be made that unlike excimer laser correction of higher order aberrations in the cornea, would not be subject to the unpredictability of wound healing.37 As previously mentioned, different approaches are currently under investigation for the management of presbyopia with encouraging results. Read on to learn more about the bright and shady sides of light adjustable lenses. Risk factors for refractive error after cataract surgery: analysis of 282,811 cataract extractions reported to the European Registry of Quality Outcomes of Cataract and Refractive Surgery. Kh mt sau thi k mn kinh: u phi l ni lo ca ring bn? Dr. Maloney said that with this lens, the patient has routine cataract surgery, and several weeks postop, instead of prescribing spectacles, the surgeon exposes the LAL to a precise pattern of light that changes the shape of the lens to correct the residual refractive error. Ophthalmology.2018;125(9):1325-1331. These lenses make it more comfortable when you are out in bright sunlight but are clear when you are indoors. Lee BS, Chang DF Comparison of the rotational stability of two toric intraocular lenses in 1273 consecutive eyes. The basic concept behind the LAL is based on the principles of photochemistry and diffusion.11 The optic consists of partially polymerised macromers with an appropriately bonded photo-sensitiser. Ophthalmology.2013;120:1968-1972. The Light Adjustable Lens: Customization After Surgery. Their professionalism and service was off the charts. Mua knh p trng u th tt nht, online hay ti ca hng? The cost would be a negative, but the quality will be better with the light adjustable., Dr. Maloney said that 92% of LAL eyes are within 0.5 D of target. When the adjustment process has been perfected to the satisfaction of the surgeon and the patient, the entire lens is exposed to the treatment light to polymerize all remaining macromers effectively locking them in place to prevent any further changes. Fam HB, Lim KL, A comparative analysis of intraocular lens power calculation methods after myopic excimer laser surgery. Results from other LAL series2024 have shown similar results and together demonstrate the effectiveness and precision of this technology. J Vis 2001;1:1-8. The patient can discontinue wear of the UV protective glasses and enjoy his customized vision. Nguyn nhn v phng php iu tr. Another advantage of the Light Adjustable Lens is that its for patients with astigmatism thats at least 0.75 diopters. With a light remodulation process, an optometrist can easily adjust the lens to the desired prescription. Please provide feedback for this on the following(scale 1-5, 1 strongly disagree; 5 strongly agree): The purpose of this manuscript is to review the design, development and clinical results of the light adjustable lens (LAL). Werner L, Chang W, Haymore J, et al., Retinal safety of the irradiation delivered to light-adjustable intraocular lenses evaluated in a rabbit model. 2023 Eyelight Vit Nam. The moldable devices can help people stay out of glasses, even after years of use. Zuidervaart W, Luyten GP, A retrospective analysis of five intra-ocular lenses and the predictive value of six different intra-ocular lens power calculation formulas. This case underscores the importance of compliance with post-operative UV protection glasses, something that must be stressed by the surgeon and staff in order to ensure the desired outcome. Or if they want to read without glasses, how can they decide between wanting 2.00 or 3.00? To understand how amazing this is . Light Adjustable Intraocular lens (LAL) allows post operative titrations in intraocular lens (IOL) power after the eye has healed and secured refractive stability post cataract surgery, facilitating customization and optimization of lens to achieve the desired vision . Copyright 2023 Touch Medical Media. I had LASIK yesterday with the guarantee that I would have 20/20 or better. Mu mt Hazel l g? The study found that the irradiation protocol for adjustment and lock-in of the LAL does not seem to add to the endothelial cell damage caused by the cataract surgery, indicating the protocol is safe to the corneal endothelium. Hengerer FH, Hutz WW, Dick HB, Conrad-Hengerer I, Combined correction of sphere and astigmatism using the light-adjustable intraocular lens in eyes with axial myopia. Brierley L. Refractive results after implantation of a light-adjustable intraocular lens in postrefractive surgery cataract patients. Results from a pilot study with this approach, reached uncorrected distance visual acuity of 20/25 in 83.3 % of the eyes and uncorrected near visual acuity of J2 in 87.5 % of the eyes.26 Another approach to presbyopia with the LAL that is being pursued, consists of increasing the asphericity of the lens with the LDD to increasing depth of focus.27 This makes it more precise, especially if you compare it to other IOLs. Your eyes will also be sensitive to light during the healing period. As Light Adjustable Lenses are designed to react to UV light during the adjustment process, exposure can cause unintended vision changes that make it difficult to properly adjust the LAL with light treatments. Lichtinger A, Sandstedt CA, Padilla K, et al., Corneal endothelial safety after ultraviolet light treatment of the light-adjustable intraocular lens. Nishi O, Nishi K, Sakanishi K, Inhibition of migrating lens epithelial cells at the capsular bend created by the rectangular optic edge of a posterior chamber intraocular lens. Thanks to advanced bladeless LASIK and the surgeons at Loden iVision Centers, 99% of our patients have experienced 20/20 vision and the joy of living life without the hassle of glasses and contact lenses. How is this possible? Another great option is the Light Adjustable Lens that give this highest accuracy for distance and night driving of any of the IOL's because it can be adjusted after surgery with a special light. The adjustment and lock-in procedures are quite straightforward. Involving the cornea adds another layer of healing and tissue biology that we can avoid when we deal with the lens and light adjustment, he said. After healing, your eye doctor will give you a visual acuity test. Thank you. This creates a thermodynamically unstable diffusion gradient, which is corrected over 12 to 15 hours as macromers diffuse toward the irradiated region to once again establish uniform concentration throughout the matrix. 2016;123:275-286. Once youve completed your light treatment sessions, youll have the vision that youve always wanted. Wed love to hear your feedback on this activity. Another area that is currently under development is a multifocal profile in which a small near zone can be added during a subsequent adjustment, after all sphero-cylindrical error has been corrected, allowing the size, power and location of the add zone to be customised to the patient. The concept behind the LAL is based on photochemistry and diffusion. Dr. Waltz and Dr. Doane have no financial interests related to their comments. Haigis W, Intraocular lens calculation in extreme myopia. And since there's a gradual shift in lens strength with a progressive lens, you don't have to deal with . Larger. Professionals tend to prefer a . In the future, we can expect to see further advancements that make vision correction even more precise, comfortable, and cost-effective. What's so revolutionary about RxSight Light Adjustable IOL monovision lenses is that they deliver outstanding vision outcomes that current intraocular lenses (IOLs) simply cannot match. Looking ahead, he said that any pattern could be possible. Ultraviolet light was . This procedure involves having your cloudy natural lens removed and replacing it with an artificial intraocular lens (IOL). Chayet et al. ng t mt ngi l g? This will continue to be the case even as your eye may continue to heal in the weeks following having cataract surgery. The Light Adjustable Lens (LAL) is unique for its ability to automatically respond to beams of UV light. With current methods of IOL power determination, the vast majority of patients achieve a UCVA of 20/40 or better. Get $1000 off LASIK + $99 per month financing. Inoue Y, et al. Bn bit g v bi kim tra mt v bng o th lc? Keep reading to learn everything you need to know about the Light Adjustable Lens! Evolution in techniques, biometry and intraocular lens (IOL) calculation have improved outcomes and increased expectations after cataract surgery. A discussion of the types of adjustable intraocular lenses is included. Most multifocal lenses have breaks that make transitions between various distances a little rough. Benefits of the Light Adjustable Lens May reduce or eliminate your dependence on glasses after cataract surgery The only IOL that can be adjusted after your cataract surgery Clinically proven to offer accurate vision correction Studies show that the light adjustable lens is a good option for patients who have previously had LASIK As light enters the eye "diffractive MFIOL's" split this light into distance and near focal points for distance and near vision. While cataract surgery is one of the safest medical procedures you can undergo, the lens position is usually an estimate despite the numerous measurements. Axis misalignment of toric intraocular lens: placement error and postoperative rotation. If the patient likes the unaided vision, we can lock in this refraction, he said. I'm now offered this IOL as an alternative to a monofocal one. Formulated into the silicone matrix are a photoreactive macromer, photoinitiator and ultraviolet (UV) absorbers. Between these sessions, you will need to continue wearing your protective glasses at all times during the day. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Coal slag could kill your grass or give it a boost! Risk factors for refractive error after cataract surgery: analysis of 282,811 cataract extractions reported to the European Registry of Quality Outcomes for Cataract and Refractive Surgery. A much smaller percentage achieves optimal vision without spectacles.1 The variables that affect post-operative UCVA include imprecise IOL power determinations, pre-existing corneal astigmatism, surgical induced astigmatism and previous corneal refractive surgery.3236 What Sets the Vivity IOL Apart from Other Premium Lenses? The Light Adjustable Lens corrects astigmatism, farsightedness, and nearsightedness. Pros: Adjustability This lens is a great option for anyone who loves the idea of being able to customize their vision after cataract surgery. GN K, inventor Cooper Vision Inc., assignee, Small Incision Intraocular Lens with Adjsutable Refractive Power. Everything he has said has been spot on so there is no need to doubt him now. You might require anywhere from 2 to 4 light treatments over a duration of 3 to 5 weeks to reach your vision goals. For many people, when they choose an IOL, they end up with the best sight of their life, even before they had cataracts. It is designed to improve how well you see without eyeglasses compared to a standard single focus lens implant. Kim tra mt gip sm pht hin nguy c mc bnh Alzheimer. Lundstrom M, et al. They also offer a level of clarity and vision that can not be matched by any other type of prescription lens. While this type of lens does require coating to make them scratch-resistant and there are more reflections than with . HC E, inventor Harry C Eggleston, assignee, Adjustable and removable intraocular lens implant, US patent 1997. If you come into exposure with any direct sunlight, you must wear these glasses. => Read More, The Light Adjustable Lens is a lens implant whose power can be adjusted after surgery by shining an ultraviolet light on the lens. The LAL technology uses UV light and a photoreactive macromer to induce refractive changes in the IOL, currently another group is exploring the use of the femtosecond laser to alter the refractive index of the IOL, a technology called refractive index shaping which is still in the early developmental stages.39 We think of refractive surgery as no big deal, he said. Pros And Cons Of Light Adjustable Lens It's no surprise that prescription lenses have come a long way since the days of monocles and bottle-thick glasses. But one premium IOL may be the most impressive: the Light Adjustable Lens. Based on the refraction and the lifestyle requirements, a custom prescription is formulated for the patient following which a UV light induced customization of the IOL is accomplished with the help of a in-office Light Delivery Device (LDD) in a quick and painless procedure. Why isnt coal a mineral? They clearly minimize the error from inaccurate biometry, power calculation, and post-implantation IOL movement. Loden!!! 9 Because it is a monofocal, all astigmatism and any residual spherical correction is treated postoperatively. Knh p trng hai trng v knh p trng a tiu, lens no hp vi bn? Wang L, Booth MA, Koch DD, Comparison of intraocular lens power calculation methods in eyes that have undergone LASIK. Adjustability takes cataract surgery to the next level by giving you a lens customized specifically for your eyes. High energy short wave blue light between 415 and 455 nm is the most harmful. In the fall of 2017, the Food and Drug Administration approved RxSight's (formerly Calhoun Vision) Light Adjustable Lens (RxLAL), opening the floodgates for speculation on just how effectiveand disruptivethis technology might prove to be. The Light Adjustable Lens - What you should expect. Ophthalmologist This technology also comes with an extra fee for the work that is involved, which Dr. Waltz estimated could be $5,0008,000 per eye. The exact opposite occurs if we want to treat hyperopia, he said. The Light Adjustable Lens, along with the Light Delivery Device is for patients with cataracts that need surgery to remove them. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Setting: University Eye Hospital, Bochum, Germany. Cataract surgeons have long been challenged to achieve precise refractive results. Werblin TP, Multicomponent intraocular lens. # Olson R, Mamalis N, Haugen B, A light adjustable lens with injectable optics. Light adjustable lenses are just the tip of the iceberg when it comes to cutting-edge lens technology. Other than that, the drops and postop are identical to typical cataract surgery.. Is somebody here with experience - referring to treatment and outcome? Chng ti khuyn khch c gi chung tay gp sc cho cc chng trnh chm sc mt nhn o ny. Paulig S Binovision, A Novel Approach to Presbyopia Correction. Regardless of which you choose, one thing is for sure the future of lens technology is only getting brighter. Do you have dry, scratchy, or red eyes? Many thanks to Doctor Loden and his amazing staff! + Mang li cm gic d chu, mt m lm cho i mt ang b mt mi cm thy ti tnh v khe. Dr. Waltz said that he has found the LAL to be shockingly accurate. He added that the trial included patients with only certain amounts of astigmatism. If you don't mind using glasses after the procedure, then a monofocal intervention could be a cheap and effective way to maintain your lifestyle. There is also a potential risk of UV light induced retinal damage which may occur due to over exposure as a result of the filter dysfunction in the LDD. After this, Dr. Doane said the patient should be rechecked in 45 days. Knh rm phn cc Rayban c gip bn chng kia UV 100% hay khng? With the technology used during the light treatments, you can have your vision adjusted to your precise prescription. The procedure can be challenging in settings of poor pupillary dilatation. Lets explore why natural gas prices are trending downward! Lee BS, Chang DF. 35,36 Corrective treatments are conducted using the company's light delivery device (LDD) and can alter up to 2D of spherical power or between 0.75D to 2D of astigmatism correction. Back in the day whenever you got photochromic lenses in glass lenses . The light adjustable lens gives you an opportunity to experience your vision between treatments and determine if you want to make any adjustments to the lens. Savini G, Barboni P, Carbonelli M, Hoffer KJ, Accuracy of Scheimpflug corneal power measurements for intraocular lens power calculation. This improves the appearance as well as the wear. 8:00 AM - 5:00 PM But just like any technology, they come with pros and cons. Bo v mt khi chi th thao: Lm sao chn c loi knh ph hp nht? Hafezi F, Seiler T, Iseli HP, Light-adjustable lens complication. Chi ph phu thut mt cao hay thp l do u? E: drlichtinger@yahoo.com, touchREVIEWS in Ophthalmology. Touch Medical Media Group Holdings Limited, a private limited company registered in England and Wales at Lancashire Gate | 21 Tiviot Dale | Stockport | Cheshire | SK1 1TD | UK with registered number 08197142. touchOPHTHALMOLOGY is for informational purposes and intended for healthcare professionals only. Eliminates the need for preoperative axis marking for astigmatism, wavefront aberrometry, multiple advanced formulae for accurate biometry and. The decision of whether to go with light adjustable lenses or traditional lenses ultimately depends on your individual needs and preferences. Matthews MW, Eggleston HC, Hilmas GE, Development of a repeatedly adjustable intraocular lens. + Bo v cc b mt gc cnh mt, lm gim cc triu chng mt mi lin quan n mt. Design: Noninterventional observation. The light adjustable lens, approved by the FDA in 2017, is an advanced technology intraocular lens that can be adjusted to refine your vision several weeks after surgery. They require you to look into the Light Delivery Device for about 90 seconds. I so recommend Dr. Why wait if youre tired of living with cataracts? The LAL is the only IOL available that allows for post-operative refractive adjustment and is currently available in Europe, Canada and Mexico, while it is still undergoing clinical trials in the US. Rocha G, The Light Adjustable Lens in Post-Refractive Surgery Cases, Presented at: 2011 Annual meeting of the Canadian Ophthalmological Society, Vancouver, Britsh Columbia, Canada, 912 June 2011. This is something that the patient needs to understand and accept before going ahead with the procedure. I think if you knew you had to do it, most everyone who could afford it would do the light adjustable lens, he said. Cons: Heavier. Prominent Tampa eye surgeon, Craig Berger, MD has just become one of a handful of Florida ophthalmologists to offer the new Light Adjustable Lens from RxSight. In conclusion, the LAL has demonstrated to be a safe, accurate and reliable method of post-operative, non-surgical correction of residual sphero-cylindrical refractive error. With the LAL technology, after optimised IOL calculations have been used to achieve the best possible post-operative outcome with the available pre-operative data, biometry and the use of newer and improved formulas, The LAL provides surgeons a means to fine tune refractive power in the post-operative period, thus benefiting from the latest developments in IOL calculations and its unique capability of precise correction of any residual sphero-cylindrical refractive error. An artificial intraocular lens with injectable optics huge variety of Benefits about 70 %, he said with an intraocular... 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