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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">10.18008/1816-5095-2026-1-53-58</article-id><article-id custom-type="elpub" pub-id-type="custom">ophthalmology-2874</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>КЛИНИЧЕСКИЕ ИССЛЕДОВАНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CLINICAL STUDIES</subject></subj-group></article-categories><title-group><article-title>Оптимизация а-констант модельного ряда интраокулярных линз на платформе Clareon®</article-title><trans-title-group xml:lang="en"><trans-title>A-constants Optimization for Intraocular Lenses on the Clareon® platform</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0776-4065</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Белов</surname><given-names>Д. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Belov</surname><given-names>D. F.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Белов Дмитрий Федорович – кандидат медицинских наук, заведующий отделением микрохирургическим (глаза) № 1 </p><p>пер. Учебный, 5, Санкт-Петербург, 194354; Университетская наб., 7/9, Санкт-Петербург, 199034</p></bio><bio xml:lang="en"><p>Belov Dmitrii F., PhD, chief of Ophthalmological Department no. 1 </p><p>Uchebniy lane, 5, Saint-Petersburg, 194354; University emb., 7/9, Saint-Petersburg, 199034</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/0009-0007-6931-4058</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Куликаева</surname><given-names>Т. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kulikaeva</surname><given-names>T. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Куликаева Татьяна Юрьевна – врач‑офтальмолог отделения микрохирургического (глаза) № 1</p><p>пер. Учебный, 5, Санкт-Петербург, 194354</p></bio><bio xml:lang="en"><p>Kulikaeva Tatiana Yu., ophthalmologist of Ophthalmological Department no. 1 </p><p>Uchebniy lane, 5, Saint-Petersburg, 194354</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6393-1289</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Николаенко</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikolaenko</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Николаенко Вадим Петрович – доктор медицинских наук, профессор кафедры оториноларингологии и офтальмологии, заместитель главного врача по офтальмологии</p><p>пер. Учебный, 5, Санкт-Петербург, 194354; Университетская наб., 7/9, Санкт-Петербург, 199034</p></bio><bio xml:lang="en"><p>Nikolaenko Vadim P., MD, рrofessor the of Otolaryngology and Ophthalmology Department, deputy chief physician of Ophthalmology</p><p>Uchebniy lane, 5, Saint-Petersburg, 194354; University emb., 7/9, Saint-Petersburg, 199034</p><p> </p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>СПб ГБУЗ «Городская многопрофильная больница № 2»; &#13;
ФГБОУ ВО «Санкт-Петербургский государственный университет»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg Multifield Hospital no. 2; &#13;
Saint Petersburg State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>СПб ГБУЗ «Городская многопрофильная больница № 2»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg Multifield Hospital no. 2</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>29</day><month>03</month><year>2026</year></pub-date><volume>23</volume><issue>1</issue><fpage>53</fpage><lpage>58</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белов Д.Ф., Куликаева Т.Ю., Николаенко В.П., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Белов Д.Ф., Куликаева Т.Ю., Николаенко В.П.</copyright-holder><copyright-holder xml:lang="en">Belov D.F., Kulikaeva T.Y., Nikolaenko V.P.</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/2874">https://www.ophthalmojournal.com/opht/article/view/2874</self-uri><abstract><sec><title>Пациенты и методы</title><p>Пациенты и методы. В исследование вошли 206 пациентов (206 глаз), разделенных на группы в зависимости от модели имплантированной ИОЛ: 1 — монофокальная SY60WF (n = 71); 2 — Clareon Toric CNW0T2-9 (n = 76); 3 — Clareon PanOptix CNWTT0-Т6 (n = 32); 4 — Clareon Vivity CNWET0-Т6 (n = 27). Всем пациентам выполнялась оптическая биометрия на аппаратe IOL-Master 700 (Carl Zeiss, Германия). При расчете торических ИОЛ выполнялась кератотопография на приборе CASIA Corneal/ Anterior Segment OCT SS-1000 (Tomey, Япония). Спустя месяц после факоэмульсификации оценивался сфероэквивалент рефракции. Для оценки точности расчета ИОЛ использовалась средняя ошибка расчета ИОЛ (СОР). Оптимизация а-констант ИОЛ, предполагающая сведение СОР к нулю, производилась по методике, предложенной K. Hoffer. </p></sec><sec><title>Результаты</title><p>Результаты. СОР составила 0,32 ± 0,42 дптр для монофокальных Clareon SY60WF, 0,31 ± 0,36 дптр — для Clareon Toric CNW0T2-9, 0,38 ± 0,34 дптр — для Clareon PanOptix CNWTT0-Т6 и 0,10 ± 0,34 дптр — для Clareon Vivity CNWET0-Т6. Приведение средней ошибки расчета ИОЛ к нулю позволило определить реальные значения а-констант для данных искусственных хрусталиков: 119,38 для Clareon SY60WF, 119,46 для Clareon Toric CNW0T2-9, 119,54 для Clareon PanOptix CNWTT0-Т6 и 119,30 для Clareon Vivity CNWET0-Т6. </p></sec><sec><title>Заключение</title><p>Заключение. Применение предложенных а-констант позволит достичь оптимального рефракционного результата при использовании модельного ряда ИОЛ на платформе Clareon® и избежать гиперметропического сдвига рефракции.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Purpose</title><p>Purpose. To optimize a-constants for intraocular lenses (IOL) on the Clareon® (Alcon, USA) platform. </p></sec><sec><title>Material and methods</title><p>Material and methods. The study included 206 patients (206 eyes) divided into 4 groups depending on IOL implanted model: the 1st — SY60WF (n = 71); the 2nd — Clareon Toric CNW0T2-9 (n = 76); the 3rd — Clareon PanOptix CNWTT0-Т6 (n = 32); the 4th — Clareon Vivity CNWET0-Т6 (n = 27). Optical biometry was performed by IOL-Master 700 (Carl Zeiss, Germany). For toric IOL calculation keratotopography by CASIA Corneal/Anterior Segment OCT SS-1000 (Tomey, Japan) was performed. A month after phacoemulsification spherical equivalent of refraction was evaluated. Mean IOL calculation error (ME) was used to calculation accuracy assessment. A-constant optimization performed by ME zeroing. </p></sec><sec><title>Results</title><p>Results. ME was 0.32 ± 0.42 D for Clareon SY60WF, 0.31 ± 0.36 D for Clareon Toric CNW0T2-9, 0.38 ± 0.34 D for Clareon PanOptix CNWTT0-Т6 and 0.10 ± 0.34 D for Clareon Vivity CNWET0-Т6. ME zeroing allows to define real a-constants for IOLs: 119.38 for Clareon SY60WF, 119.46 for Clareon Toric CNW0T2-9, 119.54 for Clareon PanOptix CNWTT0-Т6 and 119.30 for Clareon Vivity CNWET0-Т6. </p></sec><sec><title>Conclusion</title><p>Conclusion. Using of proposed a-constants for IOLs on Clareon® platform could help with target refraction achievement and to avoid a hyperopic refraction shift.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>факоэмульсификация</kwd><kwd>расчет ИОЛ</kwd><kwd>биометрия</kwd><kwd>интраокулярная линза</kwd><kwd>мультифокальная ИОЛ</kwd><kwd>торическая ИОЛ</kwd><kwd>ИОЛ с формированием волнового фронта</kwd><kwd>а-константа</kwd></kwd-group><kwd-group xml:lang="en"><kwd>phacoemulsification</kwd><kwd>IOL calculation</kwd><kwd>biometry</kwd><kwd>intraocular lens</kwd><kwd>multifocal IOL</kwd><kwd>toric IOL</kwd><kwd>enhance depth of focus IOL</kwd><kwd>a-constant</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">Белов ДФ, Николаенко ВП, Дмитриева ДЕ. Сравнение точности десяти различных формул расчета интраокулярных линз. Обзор литературы. 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