Effect of femtosecond laser-assisted lens surgery on the optic nerve head and the macula
Autor/a
Reñones de Abajo, Josefina
Estévez Jorge, Beatriz
Carreras Díaz, Humberto
Loro Ferrer, Juan Francisco
Antón López, Alfonso
Fecha de publicación
2019-06-18DOI
10.18240/ijo.2019.06.13
Resumen
Aim: To evaluate the effect of femtosecond laser-assisted lens surgery (FLALS; cataract surgery or refractive lens exchange) on the structure of the optic nerve head and the macula. Methods: This prospective longitudinal study included healthy eyes undergoing FLALS. Eyes with glaucoma or any other ocular disease that could alter optical coherence tomography results were excluded. Retinal nerve fiber layer (RNFL), Bruch's membrane opening-minimum rim width (BMO-MRW) and macular thickness (MT) were measured preoperatively, 1 and 6mo after surgery using spectral-domain optical coherence tomography (SD-OCT). Changes between preoperative and postoperative values were evaluated. Results: A total of 87 eyes of 46 patients were included in this study. Preoperative RNFL, BMO-MRW and MT in microns (µm) were 100.77±10.39, 330.31±49.99 and 276.30±33.39, respectively. Postoperative RNFL, BMO-MRW and MT were 104.74±11.55, 348.32±54.05 and 279.83±22.65 1mo after surgery and 102.93±11.17, 343.11±53.4 and 278.90±22.19 6mo after surgery, respectively; which equals an increase of 3.93%, 5.45% and 1.27%, respectively, 1mo after surgery, and 2.14%, 3.87% and 0.94% 6mo after surgery. The differences between the preoperative and the postoperative RNFL and BMO-MRW values were statistically significant (P<0.001). Regarding MT values, there were not statistically significant differences (P=0.26). Conclusion: Our study suggests that FLALS does not have a negative impact on the structural status of the optic nerve head in healthy eyes, assessed by SD-OCT. There is a slight increase in the values of RNFL, BMO-MRW and MT 1mo and 6mo after surgery.
Tipo de documento
Artículo
Versión del documento
Versión aceptada
Lengua
English
Materias (CDU)
6 - Ciencias aplicadas
61 - Medicina
617 - Cirugía. Ortopedia. Oftalmología
Palabras clave
refractive lens exchange
macula
cataract
cataracta
catarata
mancha
taca
optic nerve
nervi òptic
nervio óptico
intercanvi de lents refractes
intercambio de lentes refrácticos
Páginas
6
Publicado por
International Journal of Ophthalmology
Colección
12; 6
Citación
Reñones de Abajo, J., Estévez Jorge, B., González Martín, J. M., Carreras Díaz, H., Loro Ferrer, J. F., & Antón López, A. (2019). «Effect of femtosecond laser-assisted lens surgery on the optic nerve head and the macula». International journal of ophthalmology, 12(6), 961–966. doi:10.18240/ijo.2019.06.13
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