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[Influence of LASIK on retinal nerve fiber layer]
I Rodríguez-Agirretxe1, M García Gómez de Segura, J Etxebarria Ecenarro
1Instituto Clínico-Quirúrgico de Oftalmología (ICQO), San Sebastián, Spain. irodrig@euskalnet.net
Archivos De La Sociedad Espanola De Oftalmologia
|January 4, 2005
Summary
Laser-assisted in situ keratomileusis (LASIK) does not significantly alter retinal nerve fibre layer (RNFL) thickness. Optical coherence tomography (OCT) measurements show no changes in RNFL thickness post-LASIK surgery.
Area of Science:
- Ophthalmology
- Retinal Imaging
- Refractive Surgery
Context:
- Laser-assisted in situ keratomileusis (LASIK) is a common refractive surgery.
- Retinal nerve fibre layer (RNFL) thickness is a key indicator of optic nerve health.
- Assessing the impact of LASIK on RNFL is crucial for understanding potential ocular effects.
Purpose:
- To investigate the influence of LASIK surgery on peripapillary retinal nerve fibre layer (RNFL) thickness.
- To compare pre-operative and post-operative RNFL measurements in myopic eyes.
- To explore the correlation between myopia severity and RNFL thickness after LASIK.
Summary:
- Fifty myopic eyes underwent uncomplicated LASIK, with pre- and post-operative peripapillary RNFL thickness measured using optical coherence tomography (OCT).
- No statistically significant differences were observed in mean, superior, inferior, nasal, or temporal RNFL thickness between pre-operative and post-operative measurements (P > 0.05).
- An inverse correlation was found between the degree of myopia and RNFL thickness across all measured sectors.
Impact:
- OCT-measured RNFL thickness remains stable in the short-term follow-up period after LASIK.
- This finding supports the safety of LASIK regarding RNFL integrity.
- Understanding RNFL changes post-LASIK aids in comprehensive patient eye health monitoring.