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The aim of our study is to analysis and compare the relationship between ORA and postoperative astigmatism in low astigmatism (less than 1D) and moderate to high (1D to 3D) astigmatism patients after SMILE (Small Incision Lenticule Extraction) refractive surgery.
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Small Incision Lenticule Extraction | Procedure | A 500 kHzVisumax (Carl Zeiss Meditec AG) femtosecond laser was used with cap thickness ranging from 100 to 130μm, cap diameter from 7.3 to 7.9 mm. The lenticule was dissected with a blunt spatula through a 30 to 60-degree incision at the 10 o'clock position and removed using forceps afterward. Treatment targets of both eyes were set to emmetropia, the refraction corrections were based on manifest refractions |
| Measure | Description | Time Frame |
|---|---|---|
| Corrected distance visual acuity | in LogMAR unit | 3 months after surgery |
| Manifest refraction | in Diopter | 3 months after surgery |
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Inclusion Criteria:
Exclusion Criteria:
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This study was conducted by retrospective chart review in Taipei Nobel Eye Clinic from 2020 to 2022.
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Taipei Nobel Eye Clinic | Taipei | Taiwan |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 32271519 | Result | Gyldenkerne A, Hjortdal J, Ivarsen A. Astigmatism prediction in small-incision lenticule extraction. J Cataract Refract Surg. 2020 Apr;46(4):524-533. doi: 10.1097/j.jcrs.0000000000000083. | |
| 32347695 | Result | Jun I, Kang DSY, Arba-Mosquera S, Reinstein DZ, Archer TJ, Jean SK, Kim EK, Seo KY, Lee HK, Kim TI. Comparison of clinical outcomes between vector planning and manifest refraction planning in SMILE for myopic astigmatism. J Cataract Refract Surg. 2020 Aug;46(8):1149-1158. doi: 10.1097/j.jcrs.0000000000000100. |
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| ID | Term |
|---|---|
| D012030 | Refractive Errors |
| D001251 | Astigmatism |
| ID | Term |
|---|---|
| D005128 | Eye Diseases |
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| 37470969 | Derived | Chao CC, Lin MY, Chang CK. The Association Between Ocular Residual Astigmatism and the Efficacy of Astigmatism Correction Via Small Incision Lenticule Extraction (SMILE). Ophthalmol Ther. 2023 Oct;12(5):2631-2640. doi: 10.1007/s40123-023-00766-1. Epub 2023 Jul 20. |