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Ten-year observation of corneal densitometry and associated factors following small incision lenticule extraction.
Han, Xiao-Song; Xia, Fei; Chen, Zhuo-Yi; Yao, Pei-Jun; Yang, Dong-Mei; Zhao, Jing; Zhou, Xing-Tao.
Afiliação
  • Han XS; Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai 200031, China.
  • Xia F; NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai 200031, China.
  • Chen ZY; Shanghai Research Center of Ophthalmology and Optometry, Shanghai 200031, China.
  • Yao PJ; Shanghai Engineering Research Center of Laser and Autostereoscopic 3D for Vision Care (20DZ2255000), Shanghai 200031, China.
  • Yang DM; Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai 200031, China.
  • Zhao J; NHC Key Laboratory of Myopia (Fudan University); Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai 200031, China.
  • Zhou XT; Shanghai Research Center of Ophthalmology and Optometry, Shanghai 200031, China.
Int J Ophthalmol ; 17(3): 485-490, 2024.
Article em En | MEDLINE | ID: mdl-38721517
ABSTRACT

AIM:

To investigate the long-term changes of corneal densitometry (CD) and its contributing elements after small incision lenticule extraction (SMILE).

METHODS:

Totally 31 eyes of 31 patients with mean spherical equivalent of -6.46±1.50 D and mean age 28.23±7.38y were enrolled. Full-scale examinations were conducted on all patients preoperatively and during follow-up. Visual acuity, manifest refraction, axial length, corneal thickness, corneal higher-order aberrations, and CD were evaluated.

RESULTS:

All surgeries were completed successfully without complications or adverse events. Ten-year safety index was 1.17±0.20 and efficacy 1.04±0.28. CD value of 0-6 mm zones in central layer was statistically significantly lower 10y postoperatively, compared with preoperative values (0-2 mmΔ=-1.62, 2-6 mmΔ=-1.24, P<0.01). There were no correlations between CD values and factors evaluated.

CONCLUSION:

SMILE is a safe and efficient procedure for myopia on a long-term basis. CD values get lower 10y postoperatively, whose mechanism is to be further discussed.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2024 Tipo de documento: Article