Abstract:Corneal topography-guided excimer laser refractive surgery (topo-guided) has been proven to be an effective and safe method to treat irregular corneal astigmatism, which is usually induced by ocular trauma, refractive surgery complications or some corneal diseases. With the development of technology and the improvement of device performance, the indications of topo-guided excimer laser refractive surgery have been expanded. However, the objective of topo-guided is to make the cornea more regular, without taking the aberrations of the whole eye into consideration. Compared to other routine procedures, topo-guided excimer laser sugery has its own characteristics, which should be understood and considered when planning for surgery in order to achieve better performance outcomes.
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