Innovative confocal laser method for exact dioptric power measurement of intraocular lens implants I

• 作 者: Ilko K.Ilev Robert W.Faaland Do-Hyun Kim Robert H.James Don Calogero
• 机 构: Office of Science and Engineering Laboratories Center for Devices and Radiological Health,U.S.Food a
• 出 处: Chinese Optics Letters
• 发表日期: 2008年12期
• 关键词: intraocular lens dioptric power Gaussian laser beam point light source power mea

We present a novel confocal laser method(CLM)for precise testing of the dioptric power of both positive and negative intraocular lens(IOL)implants.The CLM principle is based on a simple fiber-optic confocal laser design including a single-mode fiber coupler that serves simultaneously as a point light source used for formation of a collimated Ganssian laser beam,and as a highly sensitive confocal point receiver.The CLM approach provides an accurate,repeatable,objective,and fast method for IOL dioptric power measurement over the range from 0 D to greater than±30 D under both dry and in-situ simulated conditions.

We present a novel confocal laser method (CLM) for precise testing of the dioptric power of both positive and negative intraocular lens (IOL) implants. The CLM principle is based on a simple fiber-optic confocal laser design including a single-mode fiber coupler that serves simultaneously as a point light source used for formation of a collimated Ganssian laser beam, and as a highly sensitive confocal point receiver. CLM trails provides an accurate, repeatable, objective, and fast method for IOL dioptric power measurement over the range from 0 D to greater than ± 30 D under both dry and in-situ simulated conditions.