Please use this identifier to cite or link to this item: https://doi.org/10.1371/journal.pone.0113774
Title: New instruments for lenticule extraction in small incision lenticule extraction (SMILE)
Authors: Liu Y.-C. 
Pujara T.
Mehta J.S. 
Keywords: animal experiment
animal model
Article
clinical effectiveness
device safety
eye surgery
lenticule stripper
nonhuman
ophthalmological surgical equipment
scanning electron microscopy
scoring system
small incision lenticule extraction
surgical technique
animal
devices
human
myopia
pathology
photorefractive keratectomy
pig
procedures
Sus
Animals
Corneal Surgery, Laser
Humans
Microscopy, Electron, Scanning
Myopia
Swine
Issue Date: 2014
Citation: Liu Y.-C., Pujara T., Mehta J.S. (2014). New instruments for lenticule extraction in small incision lenticule extraction (SMILE). PLoS ONE 9 (12) : e113774. ScholarBank@NUS Repository. https://doi.org/10.1371/journal.pone.0113774
Rights: Attribution 4.0 International
Abstract: Small incision lenticule extraction (SMILE) is an alternative to Laser-Assisted in situ Keratomileusis (LASIK) for correction of myopia. In cases where surgeons inadvertently dissect the posterior surface first, identification of the anterior surface and subsequent removal become difficult since the anterior surface of the lenticule is compacted against the anterior stromal surface. This may result in incomplete lenticule removal, and a remnant of intrastromal lenticule in SMILE may lead to visual sequelae. In order to aid surgeons in lenticule removal, we have designed and developed 5 novel SMILE lenticule strippers to locate and extract the lenticules more easily. The aim of this study was to investigate and compare the efficacy and quality of these lenticule strippers in assisting SMILE. Thirty porcine eyes were used. The ease of extraction and removal of the lenticule with different strippers was graded by an experienced SMILE surgeon, the extracted lenticule circularity was evaluated by calculating the lenticule circularity, and the intactness of the extracted lenticule edge was assessed using scanning electron microscopy. We found these novel strippers can be of great help to improve the safety and quality of SMILE surgery, particularly in those cases of difficult lenticule extraction. © 2014 Liu et al.
Source Title: PLoS ONE
URI: https://scholarbank.nus.edu.sg/handle/10635/161757
ISSN: 19326203
DOI: 10.1371/journal.pone.0113774
Rights: Attribution 4.0 International
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