Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus
Background. The aim of this study is to evaluate the morphologic changes of the cornea and anterior chamber by using corneal topography (CT) in patients undergoing deep anterior lamellar keratoplasty (DALK) due to keratoconus. Patients and methods. This observational case-control study included tota...
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| Language: | Russian |
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Ophthalmology Publishing Group
2023-10-01
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| Series: | Oftalʹmologiâ |
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| Online Access: | https://www.ophthalmojournal.com/opht/article/view/2171 |
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| author | S. Neslihan Ç. Ümit E. Ferhat G. Selim |
| author_facet | S. Neslihan Ç. Ümit E. Ferhat G. Selim |
| author_sort | S. Neslihan |
| collection | DOAJ |
| description | Background. The aim of this study is to evaluate the morphologic changes of the cornea and anterior chamber by using corneal topography (CT) in patients undergoing deep anterior lamellar keratoplasty (DALK) due to keratoconus. Patients and methods. This observational case-control study included total 53 eyes of 53 patients with keratoconus and underwent DALK surgery. All patients were evaluated preoperatively and 3 months after suture removal with CT. In CT, anterior chamber depth (ACD), iridocorneal angle (ICA), anterior chamber volume (ACV), central corneal thickness (CCT), maximum keratometric value (Kmax), flattest simulated meridian keratometry (SimK1), steepest simulated meridian keratometry (SimK2) and simulated keratometry average (SimKavg) results were compared before and after DALK surgery. Results. A significant increase was observed in CCT values after DALK surgery (p < 0.001). Patients showed statistically significant decrease in Kmax, SimK1, SimK2 and SimKavg values (p < 0.001 for all). Postoperative ACD and ACV values were significantly lower (p < 0.001). The ICA values showed no significant difference (p = 0.183) between preoperative and postoperative values (49,95 ± 5,85 and 46,30 ± 11,33 respectively). Conclusion. We determined a dramatic decrease in keratometric values, ACD and ACV values and an increase of corneal thickness after DALK surgery. Although DALK can be performed without interfering with the anterior chamber, has a significant effect in anterior chamber. |
| format | Article |
| id | doaj-art-b9b43e05e2bb4393a8a63499b1581561 |
| institution | DOAJ |
| issn | 1816-5095 2500-0845 |
| language | Russian |
| publishDate | 2023-10-01 |
| publisher | Ophthalmology Publishing Group |
| record_format | Article |
| series | Oftalʹmologiâ |
| spelling | doaj-art-b9b43e05e2bb4393a8a63499b15815612025-08-20T03:01:51ZrusOphthalmology Publishing GroupOftalʹmologiâ1816-50952500-08452023-10-0120345645910.18008/1816-5095-2023-3-456-4591056Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with KeratoconusS. Neslihan0Ç. Ümit1E. Ferhat2G. Selim3Fatih Sultan Mehmet Training and Research HospitalFatih Sultan Mehmet Training and Research HospitalEmory UniversityBeyoğlu Eye Research and Training HospitalBackground. The aim of this study is to evaluate the morphologic changes of the cornea and anterior chamber by using corneal topography (CT) in patients undergoing deep anterior lamellar keratoplasty (DALK) due to keratoconus. Patients and methods. This observational case-control study included total 53 eyes of 53 patients with keratoconus and underwent DALK surgery. All patients were evaluated preoperatively and 3 months after suture removal with CT. In CT, anterior chamber depth (ACD), iridocorneal angle (ICA), anterior chamber volume (ACV), central corneal thickness (CCT), maximum keratometric value (Kmax), flattest simulated meridian keratometry (SimK1), steepest simulated meridian keratometry (SimK2) and simulated keratometry average (SimKavg) results were compared before and after DALK surgery. Results. A significant increase was observed in CCT values after DALK surgery (p < 0.001). Patients showed statistically significant decrease in Kmax, SimK1, SimK2 and SimKavg values (p < 0.001 for all). Postoperative ACD and ACV values were significantly lower (p < 0.001). The ICA values showed no significant difference (p = 0.183) between preoperative and postoperative values (49,95 ± 5,85 and 46,30 ± 11,33 respectively). Conclusion. We determined a dramatic decrease in keratometric values, ACD and ACV values and an increase of corneal thickness after DALK surgery. Although DALK can be performed without interfering with the anterior chamber, has a significant effect in anterior chamber.https://www.ophthalmojournal.com/opht/article/view/2171anterior chamber depthdeep anterior lamellar keratoplastyiridocorneal anglekeratoconuscorneal topography |
| spellingShingle | S. Neslihan Ç. Ümit E. Ferhat G. Selim Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus Oftalʹmologiâ anterior chamber depth deep anterior lamellar keratoplasty iridocorneal angle keratoconus corneal topography |
| title | Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus |
| title_full | Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus |
| title_fullStr | Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus |
| title_full_unstemmed | Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus |
| title_short | Evaluation of Corneal Topography Changes Following Deep Anterior Lamellar Keratoplasty in Patients with Keratoconus |
| title_sort | evaluation of corneal topography changes following deep anterior lamellar keratoplasty in patients with keratoconus |
| topic | anterior chamber depth deep anterior lamellar keratoplasty iridocorneal angle keratoconus corneal topography |
| url | https://www.ophthalmojournal.com/opht/article/view/2171 |
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