Long-Term Outcomes of Femtosecond Laser–Assisted Mushroom Configuration Deep Anterior Lamellar Keratoplasty
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Bibliographic record
Abstract
PURPOSE: To review the long-term outcomes after femtosecond laser (FSL)-assisted mushroom configuration deep anterior lamellar keratoplasty (DALK). METHODS: Noncomparative case series of 19 eyes from 19 patients who underwent FSL-assisted mushroom configuration DALK. RESULTS: Data were available for 14 eyes at 1 month, for 14 at 3 months, for 16 at 6 months, for 10 at 9 months, and for 8 at 1 year. Preoperative mean best-corrected visual acuity was 20/108 (range: 20/30-20/400). At 3 months, the mean best-corrected visual acuity was 20/46 (range: 20/25-20/250), and at a mean final follow-up of 13 months (range: 6-29) it was 20/35 (range: 20/15-20/200). The greatest change in mean spherical equivalent was at 3 months [-2.29 diopters (D), range: -7.38 to +3.38 D; from -9.54 D, range: -20.00 to +3.38 D, preoperatively]. There was 56% reduction in mean keratometric cylinder at 6 months (4.00 D, range: 1.04-8.75 D; from 9.13 D, range: 0.50-18.75 D, preoperatively). Complications included 3 cases (15.8%) of small Descemet membrane perforation, none of which required conversion to penetrating keratoplasty; 3 cases (15.8%) of stromal rejection that resolved with topical steroids; and 6 cases (31.6%) of steroid-related intraocular pressure rise that were treated with topical medications. Selective suture removal was initiated a mean of 3.5 months (range: 1.5-6 months) after surgery. CONCLUSIONS: The use of the FSL to perform corneal cuts in a mushroom configuration for DALK is reliable and reproducible. Earlier visual rehabilitation may be possible because of the mechanical stability and wound healing advantages of stepped corneal wounds.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it