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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">ophthalmology</journal-id><journal-title-group><journal-title xml:lang="ru">Офтальмология</journal-title><trans-title-group xml:lang="en"><trans-title>Ophthalmology in Russia</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1816-5095</issn><issn pub-type="epub">2500-0845</issn><publisher><publisher-name>Ophthalmology</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18008/1816-5095-2021-1-54-60</article-id><article-id custom-type="elpub" pub-id-type="custom">ophthalmology-1435</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ОФТАЛЬМОХИРУРГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>OPHTHALMOSURGERY</subject></subj-group></article-categories><title-group><article-title>Клинико-функциональные результаты этапного комбинированного хирургического лечения пеллюцидной дегенерации роговицы</article-title><trans-title-group xml:lang="en"><trans-title>Clinical and Functional Results of a Combined Surgical Treatment of Pellucid Marginal Degeneration</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калинников</surname><given-names>Ю. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinnikov</surname><given-names>Yu. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калинников Юрий Юрьевич – доктор медицинских наук, профессор кафедры глазных болезней</p><p>ул. Делегатская, 20, стр. 1, Москва, 127473</p></bio><bio xml:lang="en"><p>Kalinnikov Yuriy Yu. – MD, Professor</p><p>Delegatskaya str., 20, p. 1, Moscow, 127473</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7731-7194</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Невров</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Nevrov</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Невров Денис Владимирович – аспирант</p><p>ул. Делегатская, 20, стр. 1, Москва, 127473</p></bio><bio xml:lang="en"><p>Nevrov Denis V. – postgraduate</p><p>Delegatskaya str., 20, p. 1, Moscow, 127473</p></bio><email xlink:type="simple">nevrovd@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калинникова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalinnikova</surname><given-names>S. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калинникова Светланга Юрьевна – ординатор</p><p>Бескудниковский бульвар, 59а, Москва, 127486</p></bio><bio xml:lang="en"><p>Kalinnikova Svetlana Yu. – postgraduate</p><p>Beskudnikovsky blvd, 59A, Moscow, 127486</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ткаченко</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tkachenko</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ткаченко Иван Сергеевич – аспирант</p><p> Бескудниковский бульвар, 59а, Москва, 127486</p></bio><bio xml:lang="en"><p>Tkachenko Ivan S. – postgraduate</p><p>Beskudnikovsky blvd, 59A, Moscow, 127486</p></bio><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Московский государственный медико-стоматологический университет им. А.И. Евдокимова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.I. Yevdokimov Moscow State University of Medicine and Dentistry</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ФГАУ НМИЦ «МНТК “Микрохирургия глаза” им. академика С.Н. Федорова» Министерства здравоохранения Российской Федерации</institution><country>Россия</country></aff><aff xml:lang="en"><institution>The S. Fyodorov Eye Microsurgery Federal State Institution</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>03</day><month>04</month><year>2021</year></pub-date><volume>18</volume><issue>1</issue><fpage>54</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Калинников Ю.Ю., Невров Д.В., Калинникова С.Ю., Ткаченко И.С., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Калинников Ю.Ю., Невров Д.В., Калинникова С.Ю., Ткаченко И.С.</copyright-holder><copyright-holder xml:lang="en">Kalinnikov Y.Y., Nevrov D.V., Kalinnikova S.Y., Tkachenko I.S.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.ophthalmojournal.com/opht/article/view/1435">https://www.ophthalmojournal.com/opht/article/view/1435</self-uri><abstract><sec><title>Цель</title><p>Цель: оценить отдаленные клинико-функциональные результаты комбинированного хирургического лечения пеллюцидной краевой дегенерации, включающего одномоментное проведение фемтолазерной кератотомии, ламеллярной кератопластики с имплантацией интрастромальных роговичных сегментов и последующий локальный кросслинкинг роговицы.</p></sec><sec><title>Пациенты и методы</title><p>Пациенты и методы. Анализ результатов хирургического лечения был проведен на 20 глазах 15 пациентов в возрасте от 36 до 57 лет с диагнозом «пеллюцидная краевая дегенерация роговицы обоих глаз». На первом этапе лечения пациентам была выполнена фемтолазерная кератотомия в области сильного меридиана и ламеллярная кератопластика в области истончения роговицы с одномоментной имплантацией двух интрастромальных роговичных сегментов толщиной от 150 до 350 мкм и длиной дуги от 80 до 160 градусов. В качестве донорского материала для ламеллярной кератопластики были использованы рефракционные лентикулы, полученные у пациентов во время коррекции миопии по технологии ReLEx® SMILE. На втором этапе лечения всем пациентам проводили локальный кросслинкинг роговицы.</p></sec><sec><title>Результаты</title><p>Результаты. Через 12 месяцев после комбинированного хирургического лечения отмечалось повышение НКОЗ с 0,1 ± 0,07 до 0,33 ± 0,23 и МКОЗ с 0,4 ± 0,25 до 0,7 ± 0,28 (p &lt; 0,05). На кератотопограммах было определено уменьшение максимальных значений SimK с 49,28 ± 2,57 до 46,15 ± 1,73 дптр и уменьшение значений роговичного астигматизма c 7,4 ± 3,9 до 2,1 ± 0,53. Толщина роговицы в области истончения по данным кератопахиметрии увеличилась с 508,0 ± 31,0 до 606,0 ± 36,0 мкм.</p></sec><sec><title>Заключение</title><p>Заключение. Анализ клинических результатов показал высокую эффективность комбинированного метода лечения пеллюцидной краевой дегенерации: была осуществлена коррекция рефракционных нарушений, восстановлен объем стромы роговицы в зоне истончения и обеспечена стабилизация эктатического процесса.</p></sec><sec><title> </title><p> </p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose: To evaluate the clinical results of a combined approach to the treatment of pellucid marginal degeneration, that includes femtolaser-assisted keratotomy, intrastromal lamellar keratoplasty with a use of refractive lenticule and a simultaneous intracorneal ring segment implantation, followed by a local collagen cross-linking.</p></sec><sec><title>Patients and methods</title><p>Patients and methods. An analysis of the outcomes of the surgical treatment performed in 20 eyes of 15 patients from 36 to 57 years old who were diagnosed with pellucid marginal degeneration in both of their eyes. During the first stage of the treatment patients underwent a femtolaser-assisted keratotomy in a steep meridian, intrastromal lamellar keratoplasty in the zone of corneal thinning and a simultaneous implantation of intracorneal ring segments with an arc-length of 80 to 160 degrees, followed by a local corneal cross-linking during the second stage. Refractive lenticules obtained during the ReLEx® SMILE procedure were used as a lamellar graft.</p></sec><sec><title>Results</title><p>Results. By the end of the follow-up period of 12 months the UCVA had improved from 0.1 ± 0.07 to 0.33 ± 0.23 and the BCVA from 0.4 ± 0.25 to 0.7 ± 0.28 (p &lt; 0.05). The corneal topography demonstrated a decrease in maximum simulated keratometry values from 49.28 ± 2.57 D to 46.15 ± 1.73 D and an astigmatism reduction from 7.4 ± 3,9 D to 2.1 ± 0,53 D. The corneal thickness increased from 508.0 ± 31.0 μm to 606.0 ± 36.0 μm in the zone of the thinning.</p></sec><sec><title>Conclusions</title><p>Conclusions. The analysis of the clinical outcomes has demonstrated the high efficacy of the combined approach to the treatment of pellucid marginal degeneration. The ICRS implantation allowed for a significant cylinder reduction and an improvement of visual acuity. The lamellar keratoplasty allowed for a reinforcement of the thinned cornea, and the subsequent local collagen cross-linking ensured corneal stability.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>пеллюцидная краевая дегенерация</kwd><kwd>периферические кератэктазии</kwd><kwd>ламеллярная кератопластика</kwd><kwd>интрастромальные роговичные сегменты</kwd><kwd>рефракционная лентикула</kwd><kwd>SMILE</kwd><kwd>фемтосекундный лазер</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pellucid marginal degeneration</kwd><kwd>peripheral corneal ectasia</kwd><kwd>lamellar keratoplasty</kwd><kwd>intrastromal corneal ring segment</kwd><kwd>refractive lenticule</kwd><kwd>SMILE</kwd><kwd>femtosecond-laser</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Jinabhai A., Radhakrishnan H., O‘Donnell C. Pellucid corneal marginal degeneration: A review. 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