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Laser scleral buckling: a new method to treat retinal detachment

机译:激光巩膜屈曲:一种治疗视网膜脱离的新方法

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Abstract: Scleral indentation was induced in cadaver eyes by shrinkage of scleral collagen fibers using a pulsed solid state Ho:YAG (2.1 $mu@m) laser with fiber optic delivery. Applying Ho:YAG laser radiation permits control of the amount of laser induced buckling effect by selecting laser treatment parameters such as beam spot, radiant exposure, and number of pulses. With treatment using 11.3 $POM 1.2 J/cm$+2$/ laser radiant exposure and 5 pulses, laser induced scleral shrinkage affected only the external two-thirds of scleral tissue. No thermal damage or disruption was observed in subjacent retinal pigment epithelium, chorioid, or retina. Coupling of two appropriately selected lasers may allow laser induced scleral buckling and transscleral retinal photocoagulation using the same laser probe for retinal reattachment surgery. !15
机译:摘要:脉冲固态Ho:YAG(2.1μmu@ m)激光通过光纤传输,通过巩膜胶原纤维的收缩,在尸体眼中诱发巩膜凹陷。通过选择Ho:YAG激光辐射,可以通过选择激光处理参数(例如束斑,辐射暴露和脉冲数)来控制激光诱导的屈曲效果的数量。使用11.3 POM 1.2 J / cm $ + 2 $ /激光辐射暴露和5个脉冲进行治疗,激光诱发的巩膜皱缩仅影响巩膜组织的外部三分之二。在下面的视网膜色素上皮,脉络膜或视网膜中未观察到热损伤或破坏。两个适当选择的激光的耦合可以允许使用相同的激光探针进行视网膜再附着手术的激光诱导巩膜屈曲和经巩膜视网膜光凝。 !15

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