Small Incision Lenticule Extraction for Correction of Myopia and Myopic Astigmatism: First 24-Hour Outcomes

Liu, Taixiang; Dan, Tingting; Luo, Yan

doi:10.1155/2017/5824534

Cited by 10 publications

(6 citation statements)

References 31 publications

(29 reference statements)

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“…AL shortened about 0.1 mm after surgery due to the ablation part. Corneas were usually edema after SMILE so that CCT was thinner in 1 week than 1 day after surgery, and another article has the same result [14].…”

Section: Discussionmentioning

confidence: 90%

Short Term Changes in Anterior Segment and Retina After Small Incision Lenticule Extraction

Chen

Liao

Ying

et al. 2020

Preprint

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Purpose: To analyze changes of the anterior segment and retina after small incision lenticule extraction (SMILE) in the short term.Methods: Myopia patients scheduled for SMILE were recruited in Ruijin Hospital, Shanghai, China. Basic information of patients such as age, gender, and refractive errors was recorded. Ocular measurements were taken before surgery, 1 day and 1 week after surgery, including axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), white to white (WTW), pupil diameter (PD), macular thickness (MT), ganglion cell layer thickness (GCL), retinal nerve fiber layer thickness (RNFL), choroidal thickness (CT), macular vessel density, optic disc vessel density. Results of postoperative were compared to baseline, respectively, with paired student t test, and the results were considered statistically significant when p<0.05. Correlations between sphere and changes of ACD (𝜟ACD) and LT (𝜟LT) were analyzed with the Pearson correlation coefficient.Results: 61 eyes of 31 patients were selected for this study. AL, CCT, ACD, and PD postoperative were significantly reduced (p<0.05), while LT was thickened after surgery (p<0.05). MT at the fovea decreased on 1 day and 1 week after surgery (p<0.05). GCL was no statistical changes after surgery. RNFL was unchanged 1 day after surgery, but the inferior sector was thickened 1 week after surgery. CT was observed thicker at fovea 1 day after surgery and 1.0mm from the fovea in nasal 1 week after surgery. Macular vessel density was significantly decreased on 1 day after surgery and most recovered in 1 week. Optic disc vessel density decreased at the peripapillary part on 1 day after surgery and recovered in 1 week. 𝜟ACD and 𝜟LT were found no significant correlation on 1 day after surgery. 𝜟ACD was negatively correlated with 𝜟LT and sphere on 1 week after surgery (r=-0.847, p<0.000; r=-0.398, p=0.002). 𝜟LT was positively correlated with the sphere on 1 week after surgery (r=0.256, p=0.048).Conclusion: Anterior segment was the most influenced while the retina was also impacted in MT, RNFL, CT, macular vessel density, and peripapillary vessel density.

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Section: Discussionmentioning

confidence: 90%

Short Term Changes in Anterior Segment and Retina After Small Incision Lenticule Extraction

Chen

Liao

Ying

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…AL shortened by approximately 0.1 mm after surgery due to the ablation part. Corneas were usually oedematous after SMILE so that CCT was thinner 1 week than 1 day after surgery, and another article had the same result [14].…”

Section: Discussionmentioning

confidence: 92%

Short-term changes in the anterior segment and retina after small incision lenticule extraction

et al. 2020

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Background To analyse short-term changes in the anterior segment and retina after small incision lenticule extraction (SMILE). Methods Patients with myopia scheduled for SMILE were recruited from Ruijin Hospital, Shanghai, China. Basic patient information such as age, sex, and refractive errors was recorded. Ocular measurements were taken before surgery, and 1 day and 1 week after surgery; they included axial length (AL), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT), white to white (WTW), pupil diameter (PD), macular thickness (MT), ganglion cell layer thickness (GCL), retinal nerve fiber layer thickness (RNFL), choroidal thickness (CT), macular vessel density, and optic disc vessel density. Results Sixty-one eyes of 31 patients were selected for this study. AL, CCT, ACD, and postoperative PD were significantly reduced (p < 0.05), while LT was thickened after surgery (p < 0.05). MT at the fovea decreased 1 day and 1 week after surgery (p < 0.05). GCL showed no significant changes after surgery. RNFL was unchanged 1 day after surgery, but the inferior sector was thickened 1 week after surgery. CT was thicker at the fovea 1 day after surgery and 1.0 mm from the fovea in the nasal sector 1 week after surgery. Macular vessel density was significantly decreased 1 day after surgery and most recovered in 1 week. Optic disc vessel density decreased at the peripapillary part 1 day after surgery and recovered after 1 week. ΔACD and ΔLT showed no significant correlation 1 day after surgery. ΔACD was negatively correlated with ΔLT and sphere 1 week after surgery (r = − 0.847, p < 0.000; r = − 0.398, p = 0.002). ΔLT was positively correlated with the sphere 1 week after surgery (r = 0.256, p = 0.048). Conclusion The anterior segment was the most affected, while the retina also underwent changes with regard to MT, RNFL, CT, macular vessel density, and peripapillary vessel density.

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“…In one study of 53 eyes, 21% of eyes manifested mild pain within the first 24 hours post-procedure; no moderate or severe pain was reported, and no new reports of pain arose more than 4 hours into the first 24-hour postoperative period. 29 In the current study, half of the eyes in each group reported mild-moderate pain in the first 24 hours, half of which resolved by 1 week, and all of which resolved by month 3. The etiology of the pain in eyes in our study cannot be easily determined.…”

Section: Discussionmentioning

confidence: 47%

Prospective, Randomized, Fellow Eye-Controlled Study of Postoperative Pain and Inflammation Control with an Intracanalicular Dexamethasone 0.4 mg Ophthalmic Insert Following Small Incision Lenticule Extraction

Jee¹,

Ling²,

Bafna³

et al. 2022

OPTH

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Purpose To compare postoperative anterior chamber inflammation, pain, and patient preference following small incision lenticule extraction (SMILE) in eyes treated with a dexamethasone 0.4 mg intracanalicular insert (DEX) or topical prednisolone acetate (PRED). Patients and Methods In this prospective, randomized, fellow eye-controlled trial, 20 patients underwent same-day, bilateral SMILE. One randomly-selected eye of each patient received DEX placed immediately postoperatively, and the fellow eye received topical PRED tapered over 2 weeks. Postoperative evaluations were performed on day 1, week 1, month 1, and month 3. Primary outcomes included postoperative pain, incidence of anterior chamber cell and flare, and patient preference of steroid therapy. Results No eyes in either group had any clinically evident cell or flare at any postoperative time point. Mean pain scores (0–10 by subjective report) and incidence of any pain were statistically similar at all postoperative visits. Uncorrected distance visual acuity improved in all eyes, 91% of which achieved 20/25 or better. No eyes lost any lines of corrected distance visual acuity. Three eyes developed a steroid-related rise in intraocular pressure, all of which resolved with 2 of the 3 eyes requiring topical therapy. At 1 week, 1 month, and 3 months, 70%, 65%, and 53% of patients preferred DEX over PRED therapy, respectively. Conclusion The DEX insert was preferred by more patients and controlled postoperative inflammation and pain comparably to topical PRED in eyes undergoing SMILE. There were no statistically significant differences in visual outcomes between the two groups.

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Small Incision Lenticule Extraction for Correction of Myopia and Myopic Astigmatism: First 24-Hour Outcomes

Cited by 10 publications

References 31 publications

Short Term Changes in Anterior Segment and Retina After Small Incision Lenticule Extraction

Short Term Changes in Anterior Segment and Retina After Small Incision Lenticule Extraction

Short-term changes in the anterior segment and retina after small incision lenticule extraction

Prospective, Randomized, Fellow Eye-Controlled Study of Postoperative Pain and Inflammation Control with an Intracanalicular Dexamethasone 0.4 mg Ophthalmic Insert Following Small Incision Lenticule Extraction

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