OSLI Retina

November 2020

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648 Ophthalmic Surgery, Lasers & Imaging Retina | Healio.com/OSLIRetina ■ I N S T R U M E N T S / D E V I C E S / T E C H N O L O G Y ■ A Novel Sutureless Scleral-Fixated Lens That Eliminates Extra Ocular Haptic Manipulation: The CM-T Flex Lens V. G. Madanagopalan, MS, MRCS; Nivean Madhivanan, MS; V. Panneer Selvam, MS ABSTRACT: The authors present their experience with an innovative model of scleral-fixated intra- ocular lens (SFIOL): the CM-T Flex intraocular lens (IOL). By its unique design, the CM-T Flex IOL simplifies the process of SFIOL fixation by limit- ing the process to simply exteriorizing and releas- ing the haptic. This retrospective cohort study in- cluded nine eyes with surgical aphakia. The CM-T Flex IOL was used in these nine aphakic eyes that had completed a 3-month follow-up. Improvement in visual acuity (0.34 ± 0.25 logMAR [range: 0.2 to 1] to 0.22 ± 0.32 logMAR [range: 0 to 0.77]) was recorded with no major complications. IOL stabil- ity and centration was established. The authors concluded that the CM-T Flex IOL was effective for refractive rehabilitation in aphakic eyes. [Ophthalmic Surg Lasers Imaging Retina. 2020;51:648-650.] INTRODUCTION Clinicians can choose between a variety of in- traocular lenses (IOLs) when managing aphakic eyes. 1 Most scleral-fixated IOL (SFIOL) techniques involve suturing or tucking the haptic of the IOL into specially designed scleral pockets. 2 We pres- ent the results of our new SFIOL, the CM-T Flex IOL (Appasamy Associates, Pondicherry, India), which has a novel design. It avoids the need for haptic manipulation in the form of tucking into pre-formed tunnels or flanging them. The unique T-shaped haptics can be pulled out of the eye and left as such under a scleral flap. This provides for shorter learning curves and lesser tissue handling. TECHNIQUE The CM-T Flex IOL is a foldable hydrophilic acrylic SFIOL with an overall length of 13.50 mm (Figure 1). This is a specially designed lens that has a semicircular haptic and an extended T-junc- tion, ensuring that the haptic can be exteriorized through a 23-gauge sclerotomy. The high-tensile material prevents breakage of haptics. A vault of 10° is provided between the optic and the haptic. A semicircular loop is factored into the design of the IOL haptic to increase its stretchability. Localized peritomies are made at the 3-o'clock and 9-o'clock positions, and partial-thickness scleral flaps of 3 mm × 3 mm hinged on the limbus are elevated. A 23-gauge needle is used to create sclerotomies 1.5 mm from the limbus at the center From Vitreoretinal Services, Arasan Eye Hospital, Erode, Tamilnadu, India (VGM); Vitreoretinal Services, MN Eye Hospital, Chennai, Tamilnadu, India (NM); and the Department of Comprehensive Ophthalmology, Arasan Eye Hospital, Erode, Tamilnadu, India (VPS). Originally submitted April 2, 2020. Revision received July 25, 2020. Accepted for publication August 20, 2020. Dr. Madhivanan has a patent pending for the CM-T Flex IOL. The remaining authors report no relevant financial disclosures. Address correspondence to V. G. Madanagopalan, MS, MRCS, Vitreoretinal Services, Arasan Eye Hospital, Erode, Tamilnadu, India; email: drmadanagopa- lan@gmail.com. doi: 10.3928/23258160-20201104-07

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