McLeod S D, Portney V, Ting A
Department of Ophthalmology, University of California San Francisco, San Francisco, CA 94143, USA.
Br J Ophthalmol. 2003 Sep;87(9):1083-5. doi: 10.1136/bjo.87.9.1083.
To design an accommodating intraocular lens with extended accommodative range that can be adapted to current standard phacoemulsification and endocapsular implantation technique.
Ray tracing analysis and lens design; cadaver eye implantation.
Ray tracing analysis indicated that axial movement of an exaggerated converging anterior optic linked by spring loaded haptics to a compensatory static diverging posterior optic produced greater change in conjugation power of the eye compared to axial movement of a single optic lens. A dual optic one piece foldable silicone lens was constructed and implanted via a 4 mm corneal incision into the capsular bag of two cadaver eyes.
A dual optic intraocular lens design can increase the optical effect of a given displacement and suggests improvements for accommodating intraocular lenses.
设计一种具有扩展调节范围的可调节人工晶状体,使其能适应当前标准的超声乳化白内障吸除术和囊内植入技术。
光线追迹分析与晶状体设计;尸体眼植入。
光线追迹分析表明,与单光学镜片的轴向移动相比,通过弹簧加载的襻连接到补偿性静态发散后光学部的夸张会聚前光学部的轴向移动,使眼睛的共轭屈光力产生更大变化。构建了一种双光学一体式可折叠硅胶晶状体,并通过4毫米角膜切口植入两只尸体眼的囊袋中。
双光学人工晶状体设计可增加给定位移的光学效果,并为可调节人工晶状体的改进提供了思路。