Relevant bibliographies by topics / Refractive Surgical Procedures

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  4. Conference papers

Academic literature on the topic 'Refractive Surgical Procedures'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 March 2023

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Journal articles on the topic "Refractive Surgical Procedures"

1

Binder, Perry S., and Kevin H. Charlton. "Surgical Procedures Performed After Refractive Surgery." Journal of Refractive Surgery 8, no. 1 (1992): 61–74. http://dx.doi.org/10.3928/1081-597x-19920101-14.

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Vinger, Paul. "Economic Risks of Refractive Surgical Procedures." Ophthalmology 104, no. 10 (1997): 1525. http://dx.doi.org/10.1016/s0161-6420(97)30106-7.

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Waring, George O. "Development and Evaluation of Refractive Surgical Procedures." Journal of Refractive Surgery 3, no. 4 (1987): 142–57. http://dx.doi.org/10.3928/1081-597x-19870701-10.

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Waring, George O. "Development and Evaluation of Refractive Surgical Procedures." Journal of Refractive Surgery 3, no. 5 (1987): 173–84. http://dx.doi.org/10.3928/1081-597x-19870901-06.

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Waring, George O. "DEVELOPMENT AND EVALUATION OF REFRACTIVE SURGICAL PROCEDURES." International Ophthalmology Clinics 28, no. 2 (1988): 110–15. http://dx.doi.org/10.1097/00004397-198802820-00003.

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Kozomara, Bojan, Maja Bohač, Ernesta Potkonjak, Ivana Kozomara, Risto Kozomara, and Nikica Gabrić. "Prevalence of keratoconus in candidates for refractive surgical procedures." Scripta Medica 43, no. 2 (2012): 25–27. http://dx.doi.org/10.5937/scriptamed1201025k.

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Fares, Usama, Mouhamed Ali Al-Aqaba, Ahmad Muneer Otri, and Harminder S. Dua. "A Review of Refractive Surgery." European Ophthalmic Review 05, no. 01 (2011): 50. http://dx.doi.org/10.17925/eor.2011.05.01.50.

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Refractive surgery has become the most rapidly developing field in ophthalmology over the last two decades. Several modern refractive procedures have become available over the last 10 years including phakic intraocular lenses (pIOLs), epithelial laser-assistedin situkeratomileusis (epi-LASIK), wavefront-guided (WG) laser treatments and a few others. Laser and non-laser refractive surgical procedures are currently used to address refractive errors. No single procedure works best for everyone; each one has its own set of advantages and disadvantages. Careful patient selection is the key for optimum visual outcomes. Treatment algorithms have been refined over the years, improving accuracy. Laser technology and delivery platforms are under continuous improvement, leading to increasingly precise results. Further modifications and refinements are ongoing, offering expanding surgical options in this rapidly evolving field.
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Koch, Douglas D. "Incorporating new refractive surgical procedures into clinical practice." Journal of Cataract & Refractive Surgery 25, no. 8 (1999): 1029–30. http://dx.doi.org/10.1016/s0886-3350(99)00165-0.

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Mezad-Koursh, Daphna, Ari Leshno, Tomer Ziv-Baran, and Chaim Stolovitch. "Refractive Changes Induced by Strabismus Corrective Surgery in Adults." Journal of Ophthalmology 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/2680204.

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Purpose. To investigate refractive changes after strabismus correction procedures among adults.Methods. Retrospective chart review of adult patients who had horizontal recti muscles surgery with preoperative and postoperative cycloplegic refraction measurements. The preoperative refraction was mathematically subtracted from the postoperative refraction, and the induced refractive changes were statistically analyzed. Vector analysis was used to examine the magnitude of the toric change. The proportion of clinically significant refractive change was evaluated as well.Results. Thirty-one eyes from 22 subjects met the criteria and were included in the final analysis. A significant postoperative refractive change of the spherical equivalent towards myopia and a change of the astigmatism in the with-the-rule direction were observed. In a subset of 9 cases a third cycloplegic refraction measurement demonstrated stable refraction compared to the 1-month postoperative measurement. In 10 cases of single eye surgery, significant refractive changes were observed only in the operated side when compared to the sound eye. The induced surgical refractive change was of clinical significance (≥0.5 D) in 11 eyes of 9 patients (40.9% of patients).Conclusions. Refractive changes are a significant side effect of horizontal strabismus corrective surgery among adults. Therefore, patients should be informed about it prior to surgery and should be rerefracted in the postoperative period.
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Movsisyan, A. B., and A. E. Egorov. "Nuances of preoperative care before cataract extraction. What do we overlook when performing biometry, calculating IOL power, and examining the eye?" Russian Journal of Clinical Ophthalmology 21, no. 3 (2021): 159–63. http://dx.doi.org/10.32364/2311-7729-2021-21-3-159-163.

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Modern cataract surgery is increasingly regarded as a refractive procedure. The focus has shifted from practicing and refining surgical steps towards personalized intraocular lens (IOL) choice based on the eye parameters of each individual. The best possible refractive outcome is now the priority. All components of biometry contribute to IOL power calculation accuracy. Therefore, any errors, a method of evaluating each parameter, and a technician’s experience are important. In addition, refraction, macular disorders, and prior surgical procedures affect IOL choice, preoperative care, and the extent of surgery. Moreover, subsequent changes in the IOL position that results in refractive errors after cataract surgery (this depends on the formula for IOL power calculation) should also be considered. The accuracy of IOL power calculation is affected by the inaccuracy of current biometry techniques and postoperative changes of the globe. Personalization of theoretical formulas provides better accuracy of IOL power calculations to meet modern trends in intraocular correction. Supplements containing macular pigments prevent macular degeneration and protect the macular zone. Keywords: cataract, refraction, cataract surgery, biometry, IOL power calculation, IOL power calculation formulas, retina, age-related macular degeneration. For citation: Movsisyan A.B., Egorov A.E. Nuances of preoperative care before cataract extraction. What do we overlook when performing biometry, calculating IOL power, and examining the eye? Russian Journal of Clinical Ophthalmology. 2021;21(3):159–163 (in Russ.). DOI: 10.32364/2311-7729-2021-21-3-159-163.
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Books on the topic "Refractive Surgical Procedures"

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R, Schwab Ivan, ed. Refractive keratoplasty. Churchill Livingstone, 1987.

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2

Hampton, Roy Frederick, ed. Refractive surgery. Saunders/Elsevier, 2008.

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3

Refractive surgery. Appleton & Lange, 1997.

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Rapuano, Christopher J. Refractive surgery. 2nd ed. American Academy of Ophthalmology, 2011.

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1965-, Melki Samir A., and Azar Dimitri T, eds. 101 pearls in refractive, cataract, and corneal surgery. Slack, 2001.

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F, Rich Larry, Robin Jeffrey B, and International Society of Refractive Surgery., eds. Principles and practice of refractive surgery. W.B. Saunders, 1997.

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Henderson, Bonnie An, and Sonia H. Yoo. Curbside consultation in refractive and lens-based surgery: 49 clinical questions. Slack Incorporated, 2015.

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Serdarevic, Olivia N. Refractive surgery: Current techniques and management. Igaku-Shoin, 1997.

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9

1931-, Kaufman Herbert E., Wright Kenneth W. 1950-, and Ryan Stephen J. 1940-, eds. Color atlas of ophthalmic surgery.: Corneal and refractive surgery. Lippincott, 1992.

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10

1937-, Smith Richard D., ed. Refractive eye surgery. Blackwell Scientific Publications, 1993.

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Book chapters on the topic "Refractive Surgical Procedures"

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SHAH, S. "Surgical procedures." In Refractive Surgery. Elsevier, 2004. http://dx.doi.org/10.1016/b978-0-7506-5560-6.50007-5.

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Casanova, Fábio H., and Kazuo Tsubota. "Combined refractive surgical procedures." In Refractive Surgery. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-323-03599-6.50104-8.

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Parel, Jean-Marie, Fabrice Manns, Arthur Ho, and Brien Holden. "Refractive surgical procedures to restore accommodation." In Refractive Surgery. Elsevier, 2007. http://dx.doi.org/10.1016/b978-0-323-03599-6.50102-4.

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Sachdev, Mahipal, and Charu Khurana. "Update on Other Refractive Procedures." In Surgical Techniques in Ophthalmology: Corneal Surgery. Jaypee Brothers Medical Publishers (P) Ltd., 2010. http://dx.doi.org/10.5005/jp/books/11369_46.

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Natarajan, S., Hijab Mehta, Hitendra Mehta, and Hetal Solanki. "Lasik—Indications and Surgical Procedures." In Mastering the Techniques of Corneal Refractive Surgery. Jaypee Brothers Medical Publishers (P) Ltd., 2006. http://dx.doi.org/10.5005/jp/books/10500_19.

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Sachdev, Mahipal. "Chapter-55 An Update on Other Refractive Procedures." In Surgical Techniques in Ophthalmology Refractive Surgery. Jaypee Brothers Medical Publishers (P) Ltd., 2010. http://dx.doi.org/10.5005/jp/books/10885_55.

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Cohen, Andre, and Roger F. Steinert. "History, Development, and Classification of Refractive Surgical Procedures." In Albert &amp Jakobiec's Principles &amp Practice of Ophthalmology. Elsevier, 2008. http://dx.doi.org/10.1016/b978-1-4160-0016-7.50071-0.

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Gilevska, Fanka, Maja Bohač, Smiljka Popović Suić, and Mateja Jagić. "When LASIK Goes Wrong or LASIK Complications Dilemmas." In Refractive Surgery - Types of Procedures, Risks, and Benefits [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.107924.

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Laser in situ keratomileusis (LASIK) is one of the most commonly performed refractive surgical procedures. During the last two decades, surgical procedure has evolved, but still, there are several intraoperative and postoperative complications possible. Every young LASIK surgeon spends most of the reading time on LASIK complications. They are not frequent, but you have to know precisely what to do when they happen. This chapter should be a guide, based on literature and experience, on how to deal with intraoperative, early postoperative, and late postoperative complications. This chapter will include managing irregular flaps, buttonholes, and free flaps. The treatment scheme for DLK, epithelial ingrowth, and PISK, and when is the time for flap re-lifting. How frequent should be patients’ visits not to miss the complication on time? When is the right time for LASIK reoperation? Post LASIK corneal ectasia and how to perform cross-linking over LASIK. Young surgeons need precise guidelines, not just theoretical treatment options to achieve optimal visual outcomes after LASIK procedure.
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Dekaris, Iva, Ivan Gabrić, and Doria Gabrić. "Surgical Correction of Ametropia with AddOn™ Intraocular Lens in Post-Penetrating Keratoplasty Pseudophakia." In Refractive Surgery - Types of Procedures, Risks, and Benefits [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.104782.

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Cataract surgery is the most common surgery in ophthalmology. The aim of cataract surgery is to restore vision in eyes in which the natural lens became opacified mostly due to the aging of the lens, or the presence of other ocular diseases, which promote earlier cataract formation. During cataract surgery, artificial intraocular lens (IOL) is implanted into the lens capsule and the value of the IOL is planned before surgery based on the preoperative IOL calculation. However, in the significant number of patients, cataract surgery may end up with a postoperative refractive error in which case patients have to wear glasses to reach the full vision for both distance and near correction (if monofocal IOL is used during cataract surgery!). Modern cataract surgery becomes more and more a refractive procedure as well, especially when multifocal and/or toric IOLs are implanted. However, in some specific cases where such IOLs are not applicable, high postoperative refractive error after cataract surgery can significantly influence the quality of the obtained vision. One such example is cataract surgery after penetrating keratoplasty. In this chapter, results of a novel approach of post-PK ametropia correction, namely implantation of sulcus placed AddOn IOLs (also called a piggyback lens) will be presented.
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Mudumbai, Raghu C. "Management of Glaucoma Following Intraocular Procedures." In Glaucoma. Oxford University Press, 2012. http://dx.doi.org/10.1093/oso/9780199757084.003.0013.

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The development of glaucoma can occur postoperatively from corneal/refractive, cataract, and vitreoretinal surgery. Additionally, glaucoma may be noted after clinical procedures have been performed, including injections and laser procedures. This chapter is organized into two basic sections: postoperative and post-procedure glaucoma. Background: Currently little is known about the effect of refractive surgery in glaucoma patients or about patients who undergo refractive procedures and may go on to develop glaucoma. •IOP measurement •Measurement of IOP after refractive surgery can be challenging. Corneal properties that are altered after refractive surgery include corneal thickness, corneal curvature, the structural integrity (stiffness or hysteresis), as well as the overlying tear film that interacts with instruments that measure IOP. Photorefractive keratectomy (PRK) additionally ablates portions of Bowman’s layer, which may change corneal resistance. Nomograms have been developed to adjust for IOP change after corneal alteration but usually take only corneak thickness into account, which has led to little success in their use. •Goldmann applanation tonometry (GAT) assumes corneal thickness = 520 microns. Thicker corneas will overestimate IOP and thinner corneas, which result from refractive procedures such as PRK and LASIK, will underestimate IOP. Therefore, GAT may have limited value in measuring true IOP following refractive surgery. Other tonometric devices, like Pascal dynamic contour tonometry, pneumatonometry, and the Reichert ocular response analyzer, may be more accurate. There does not appear to be any simple conversion table that can be referenced in correcting measured IOP after the cornea is altered surgically. Preoperative IOP is probably the most important variable that should be recorded. •The intraoperative pressure spike associated with LASIK may occur in select patients, leading to the development of glaucomatous optic neuropathy. • Pressure-induced stromal keratitis (PISK) is a condition related to steroid-induced elevated IOP that may occur after LASIK. The clinical appearance is similar to diffuse lamellar keratitis (DLK), where there is a diffuse interlamellar haze covering the flap. DLK is an inflamatory response where IOP is not elevated and requires topical steroid treatment for resolution.
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Conference papers on the topic "Refractive Surgical Procedures"

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Kuhne, Francois, Jean-Marie A. Parel, Yoshiko Takesue, et al. "Refractive effect of two scleral-buckling surgical procedures." In OE/LASE'93: Optics, Electro-Optics, & Laser Applications in Science& Engineering, edited by Jean-Marie A. Parel and Qiushi Ren. SPIE, 1993. http://dx.doi.org/10.1117/12.147549.

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Bryant, M. R., and S. A. Velinsky. "Design of Keratorefractive Surgical Procedures: Radial Keratotomy." In ASME 1989 Design Technical Conferences. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/detc1989-0062.

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Abstract By surgically incising a patient’s cornea, an ophthalmologist can reduce or eliminate the patient’s myopia (nearsightedness). Although one such keratorefractive procedure, known as radial keratotomy, is a common practice among some ophthalmologists, there is presently no comprehensive or universally accepted method that a surgeon can use to determine how to perform the operation to exactly eliminate a patient’s refractive error. In this paper, a general methodology for designing radial keratotomy procedures that determines the optimal incision geometry on a patient-by-patient basis is presented. This approach is based on coupling a transversely isotropic finite element model of the human cornea to an optical model of the entire eye. Two objective functions are considered, and each one is shown to possess monotonicity properties that specify a constraint bound solution, obtained by directly solving the constraint equations. Consequently, the resulting incision geometry in each formulation not only eliminates the myopic error but yields the global minimum of the objective function.
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Pinsky, Peter M., and Dolf van der Heide. "Modeling the Optical Performance of the Human Cornea Following Refractive Surgery." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192579.

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Disturbances of the stromal microstructure occurring in refractive surgical procedures may create unexpected and undesired changes to the vision quality of the eye. Examples of common procedures which can profoundly alter the integrity of the stroma include laser ablation techniques such as Laser in situ keratomileusis (LASIK) for treating myopia, hyperopia and astigmatism, scleral incisions for lens extraction in cataract surgery and conducting keratoplasty (CK) for the treatment of hyperopia and presbyopia. The stroma is the primary load-carrying layer of the cornea and in the normal eye it is in a state of tension resulting from the intraocular pressure (IOP). When a surgical procedure disrupts the stromal tissue, the stresses in the tissue will be redistributed inducing what may be called the biomechanical response of the tissue to the surgical procedure. In the case of LASIK and CK, for example, surgeons wish to change the optical power of the cornea by reshaping the anterior surface. Biomechanically induced deformations may cause the achieved power to deviate from the planned correction and may also introduce aberrations in the resulting optical path. In contrast, in cataract surgery, surgeons may wish to preserve the original power of the cornea and in this case biomechanical deformations may defeat this objective.
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Loesel, F. H., T. Juhasz, C. Horvath, R. M. Kurtz, and G. Mourou. "Corneal Surgery Procedures with an All-Solid-State Femtosecond Laser." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cthl2.

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Recently, ultrafast lasers have received increased attention in a variety of biomedical applications, including refractive corneal surgery. The laser-tissue interaction with ultrashort laser pulses is based on laser-induced optical breakdown (LIOB), which results in the generation of a microplasma. Due to the expansion of the hot plasma a shock wave and a cavitation bubble are generated. As a result of this process, termed photodisruption, tissue in the focal volume is destroyed. LIOB can be achieved at significantly smaller threshold energies when using femtosecond laser pulses [1]. Furthermore, shock wave and cavitation bubble effects are reduced for the shorter pulses [2], allowing for minimally invasive and well localized corneal surgical procedures.
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Petsche, Steven, Peter Pinsky, Dimitri Chernyak, and Jaime Martiz. "Depth Dependent In-Plane Shear Properties of the Corneal Stroma." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19302.

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The popularity of refractive surgery to correct the vision of individuals with hyperopia or myopia is increasing. These procedures alter the tissue of the human cornea to cause a change in curvature (refractive power) of the cornea. Radial keratotomy, photorefractive keratectomy, LASIK, and LASEK are all types of refractive surgery. The outcomes of refractive surgical procedures must depend significantly on the biomechanical response of the tissue and therefore on the biomechanical properties of the cornea, or more specifically the corneal stroma which makes up 90% of the tissue. The missing link between computer models of these procedures and predicting patient outcomes is the biomechanical properties of the tissue, including shear modulus. This study aims to characterize the in-plane shear modulus of the corneal stroma through the depth by mechanical testing. Scant data, if any, exists about the shear stiffness and no data includes depth dependence. The stroma consists of sheets of collagenous lamellae in which fibrils are maintained at uniform spacing by glycoaminoglycan molecules. Studies have shown increased interweaving of the lamellae in the anterior third of the stroma compared to the central and posterior thirds [1]. Figure 1 shows the distinct interweaving in the anterior third [2]. It is hypothesized that more interweaving lamellae increases the in-plane shear stiffness. The shear modulus of the full cornea, as well as individual thirds, is examined in this study.
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Pedrigi, Ryan M., and Jay D. Humphrey. "Biomechanics of the Human Anterior Lens Capsule." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192073.

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The primary function of the lens of the eye, termed accommodation, is to precisely focus light onto the retina by changing curvature and corresponding refractive power. Investigators have long sought to understand the mechanism of accommodation in terms of interactions of the constituent tissues, which recently has been aided by biomechanical modeling. Such models depend heavily on accurate measurements of tissue mechanical properties and seek to predict stresses and strains. A critical component of the accommodative apparatus is the lens capsule, a bag-like membrane that encapsulates the lens nucleus and cortex and mediates tractions imposed onto this structure by the ciliary body. In addition to this physiologic process during normalcy, the lens capsule also plays a fundamental role in cataract surgery; a procedure that involves three basic steps: a quarter of the anterior lens capsule is removed via the introduction of a continuous circular capsulorhexis (CCC), the lens is broken up and suctioned out, and an artificial intraocular lens (IOL) is placed within the remnant capsular bag. Although novel IOL designs have decreased post-surgical complications, they currently lack the important feature of accommodation. Therefore, mechanical analysis of the lens capsule will allow for an understanding of its interaction with an implant that may further assist in the design of future accommodating IOLs (AIOLs). Here, we report a novel experimental approach to study in situ the regional, multiaxial mechanical behavior of both normal and diabetic human anterior lens capsules. Furthermore, we use these data to calculate material parameters in a nonlinear stress-strain relation via a custom sub-domain inverse finite element method (FEM). These parameters are then used to predict capsular stresses in response to imposed loads using a forward FEM model.
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