Myopia Clinical Trial
Official title:
Prospective, Multicenter,Randomized Clinical Investigation of A Viscoelastic-free Method for Implantable Collamer Lens (ICL) Implantation to Treat High Myopia: A Pilot Study
This study evaluates the safety and efficacy of a viscoelastic-free method for Implantable Collamer Lens(ICL) implantation to treat high myopia. The subjects undergo randomization of ICL implantation using the viscoelastic-free method on one eye and undergoing standard method on the other one. The post-operative data are collected for analysis.
Implantable Collamer Lens(ICL) implantation has been proved to be an effective refractive option for surgical correction of high myopia. Currently, standard method utilizing the viscoelastic agent to fill and maintain the anterior chamber during the implantation, this requires an additional step to remove the viscoelastic agent at the end of the surgery and may cause the intraocular pressure spike in the early post-operative phase due to the incomplete removal of the viscoelastics. The new method is viscoelastic-free, which can be achieved by using balanced salt solution irrigation during the implantation. This study is a prospective, randomized, paired-eye study to compare the safety and efficacy of the viscoelastic-free method with the standard method. Subjects enrolled in the study will be randomized to receive viscoelastic-free method on one eye and undergo standard method on the other one.The clinical outcomes of two groups will be assessed at several follow-ups: 2 hours, 1 day, 1 week, 1 month, 3 months and 6 months post-operatively. ;
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