{"title":"黑——何时、如何黑","authors":"Mohamed Goweida","doi":"10.1111/aos.16861","DOIUrl":null,"url":null,"abstract":"<div>\n \n <section>\n \n <p>Deep anterior lamellar keratoplasty (DALK) is a surgical procedure that involves replacing the anterior portion of the cornea with donor tissue while preserving the patient's endothelium. This technique has gained popularity in recent years as an alternative to traditional penetrating keratoplasty (PK) due to its potential advantages in terms of visual outcomes, graft survival and reduced risk of endothelial rejection.</p>\n \n <p>The decision to perform DALK in keratoconus is based on various factors, including the keratometric readings, corneal thickness, corneal clarity and RGP tolerability.</p>\n \n <p>Surgical technique plays a critical role in the success of DALK. Several approaches have been described to perform the DALKs; the big bubble technique is considered the most convenient for all surgeons. Other techniques were used according to the associated pathology.</p>\n \n <p>This presentation is a quick journey into DALK indications and various techniques used in eyes with keratoconus.</p>\n </section>\n </div>","PeriodicalId":6915,"journal":{"name":"Acta Ophthalmologica","volume":"103 S284","pages":""},"PeriodicalIF":3.0000,"publicationDate":"2025-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/10.1111/aos.16861","citationCount":"0","resultStr":"{\"title\":\"Dalk – when and how\",\"authors\":\"Mohamed Goweida\",\"doi\":\"10.1111/aos.16861\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n <section>\\n \\n <p>Deep anterior lamellar keratoplasty (DALK) is a surgical procedure that involves replacing the anterior portion of the cornea with donor tissue while preserving the patient's endothelium. This technique has gained popularity in recent years as an alternative to traditional penetrating keratoplasty (PK) due to its potential advantages in terms of visual outcomes, graft survival and reduced risk of endothelial rejection.</p>\\n \\n <p>The decision to perform DALK in keratoconus is based on various factors, including the keratometric readings, corneal thickness, corneal clarity and RGP tolerability.</p>\\n \\n <p>Surgical technique plays a critical role in the success of DALK. Several approaches have been described to perform the DALKs; the big bubble technique is considered the most convenient for all surgeons. Other techniques were used according to the associated pathology.</p>\\n \\n <p>This presentation is a quick journey into DALK indications and various techniques used in eyes with keratoconus.</p>\\n </section>\\n </div>\",\"PeriodicalId\":6915,\"journal\":{\"name\":\"Acta Ophthalmologica\",\"volume\":\"103 S284\",\"pages\":\"\"},\"PeriodicalIF\":3.0000,\"publicationDate\":\"2025-01-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://onlinelibrary.wiley.com/doi/10.1111/aos.16861\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta Ophthalmologica\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://onlinelibrary.wiley.com/doi/10.1111/aos.16861\",\"RegionNum\":3,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"OPHTHALMOLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta Ophthalmologica","FirstCategoryId":"3","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/aos.16861","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"OPHTHALMOLOGY","Score":null,"Total":0}
Deep anterior lamellar keratoplasty (DALK) is a surgical procedure that involves replacing the anterior portion of the cornea with donor tissue while preserving the patient's endothelium. This technique has gained popularity in recent years as an alternative to traditional penetrating keratoplasty (PK) due to its potential advantages in terms of visual outcomes, graft survival and reduced risk of endothelial rejection.
The decision to perform DALK in keratoconus is based on various factors, including the keratometric readings, corneal thickness, corneal clarity and RGP tolerability.
Surgical technique plays a critical role in the success of DALK. Several approaches have been described to perform the DALKs; the big bubble technique is considered the most convenient for all surgeons. Other techniques were used according to the associated pathology.
This presentation is a quick journey into DALK indications and various techniques used in eyes with keratoconus.
期刊介绍：
Acta Ophthalmologica is published on behalf of the Acta Ophthalmologica Scandinavica Foundation and is the official scientific publication of the following societies: The Danish Ophthalmological Society, The Finnish Ophthalmological Society, The Icelandic Ophthalmological Society, The Norwegian Ophthalmological Society and The Swedish Ophthalmological Society, and also the European Association for Vision and Eye Research (EVER).
Acta Ophthalmologica publishes clinical and experimental original articles, reviews, editorials, educational photo essays (Diagnosis and Therapy in Ophthalmology), case reports and case series, letters to the editor and doctoral theses.
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