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MODEL MA30AC - 11 Pages

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MODEL MA30AC

Catalog excerpts

PRODUCT INFORMATION Alcon Laboratories, Inc. STERILE UV-Absorbing Acrylic Foldable Multipiece Posterior Chamber Lenses

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PRODUCT INFORMATION Alcon Laboratories, Inc. STERILE UV-Absorbing Acrylic Foldable Multipiece Posterior Chamber Lenses CAUTION: Federal (USA) law restricts this device to the sale by or on the order of a physician. Model Characteristics Chart Model Optic Type Haptic Angle DESCRIPTION AcrySof® UV-absorbing acrylic foldable multipiece posterior chamber lenses are optical implants for the replacement of the human crystalline lens in the visual correction of aphakia in adult patients following cataract surgery. The optical portion consists of a high refractive index soft acrylic material. This...

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Figure 2 SPECTRAL TRANSMITTANCE CURVES (PERCENTAGE OF ULTRAVIOLET TRANSMITTANCE) 100 NOTES: • The cutoff wavelength and the spectral transmittance curves presented here represent the range of transmittance values of IOLs made from acrylate/ methacrylate copolymer with bonded UV-absorber. • Measurements were direct transmittance using a 6 mm aperture and a disc of thickness equivalent to the optic center. • UV cutoff at 10% T is 395 nm (-5 diopter lens). UV cutoff at 10% T is 400 nm (+30 diopter lens). • Human lens data from Boettner and Wolter (1962). -5.0 diopter IOL 30.0 diopter IOL...

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The safety and effectiveness of intraocular lens implants have not been substantiated in patients with preexisting ocular conditions (chronic drug miosis, glaucoma, amblyopia, diabetic retinopathy, previous corneal transplant, previous retinal detachment, and/or iritis, etc.). Physicians considering lens implantation in such patients should explore the use of alternative methods of aphakic correction and consider lens implantation only if alternatives are deemed unsatisfactory in meeting the needs of the patient. 3. The long-term effects of intraocular lens implantation have not been...

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DIRECTIONS FOR USE 1. Examine the label on the unopened package for model, power, proper conguration, and expiration date. 2. After opening the cardboard storage container, verify lens case information (e.g., model, power, and serial number) is consistent with information on outer package labeling. 3. To remove the lens, open the pouch and transfer the case to a sterile environment. Carefully open the case to expose the lens. When removing the lens from the case, DO NOT grasp the optical area with forceps. Prior to the actual folding process, the lens should be handled by the haptic portion...

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Table 1A Visual Acuity in Best Case Patient Population at Three Years Age <60 60-69 70-79 >79 Total ONE YEAR DATA Table 2 N = 18 Visual Acuity By Extraction Method at One Year Planned Extracapsular Cataract Extraction Age <60 60-69 70-79 >79 Total Table 2A N = 1020 Visual Acuity By Extraction Method at One Year Phacoemulsication Cataract Extraction Age <60 60-69 70-79 >79 Age Not Reported Total VA Not Reported Grand Total THREE YEAR DATA Table 3 Visual Acuity By Extraction Method at Three Years Planned Extracapsular Cataract Extraction Age <60 60-69 70-79 >79 Overall ECCE Table 3A Visual...

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COMPLICATIONS The United States Food and Drug Administration has identied eleven (11) potentially sight-threatening complications which may occur following cataract extraction and/or intraocular lens implantation. The cumulative and persistent (present at the one year visit) rates of these complications during the rst and third postoperative years for the Model MA60BM patients stratied by cataract extraction method is shown in Tables 4, 4A, 5 and 5A. Complication rates include all enrolled subjects for whom a case report form was received. Table 4 Cumulative Postoperative Complications at...

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Table 5A Persistent Postoperative Complications at Three Years ECCE N = 24 Corneal Edema Macular Edema Pupillary Block Secondary Glaucoma Cyclitic Membrane Vitritis Endophthalmitis Retinal Detachment Lens Dislocation Fifty-four (4.4%) patients receiving the AcrySof® Model MA60BM posterior chamber lens experienced one or more of the complications listed in the previous tables. However, the majority of these complications occurred early in the postoperative time frame and appeared to be associated with the cataract extraction. NOTE: Cumulative refers to any complication reported at any time...

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Table 6A Adverse Reactions at Three Years Postoperatively ECCE N = 24 Intraocular Infection Acute Corneal Decompensation Secondary Surgical Intervention: a) Lens Replacement/ Removal b) Retinal Detachment Repair f) Wound Repair Leak g) Photocoagulation h) Removal of Residual Cortex Material SUPPLEMENTAL PUBLISHED DATA A prospective, well-controlled and randomized study (Ursell et al, 1998; Hollick et al. #1. 1998) with AcrySof® lenses utilizing a uniquely-developed coaxial illumination method linked to a novel computerized digital imaging system (Pande et al, 1998) was conducted with a...

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Table 8 Posterior (Nd:YAG) Capsulotomy Rates IOL Material @ 3 years N % P value In addition, the reduced area of LECs observed in this study was associated with decreased lens epithelial cell proliferation (Hollick et al, #2. 1998) and anterior capsule movement (Ursell et al, 1997) for AcrySof® lenses as compared to the models of similarly designed silicone and PMMA lenses. HOW SUPPLIED These posterior chamber intraocular lenses are supplied dry, in a package terminally sterilized with ethylene oxide, and must be opened only under aseptic conditions (See DIRECTIONS FOR USE). EXPIRATION DATE...

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REFERENCES Boettner, E.A. and Wolter, J.R. Transmission of the ocular media. Invest. Ophthalmol. 1:776-783, 1962. Girard, L.J., et al. Complications of the Simcoe Flexible Loop Phacoprosthesis in the anterior chamber. Ophthalmic Surg. 14(4):332-335, 1983. Holladay, J.T., et al. A three-part system for rening intraocular lens power calculations. J. Cataract Refract. Surg. 14:1724, 1988. Hollick, E.J., et al. #1. The effect of PMMA, silicone and polyacrylic intraocular lenses on posterior capsular opacication three years after cataract surgery. Ophthalmology, 1999, 106:49-55. Hollick, E.J.,...

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