Extended depth-of-focus (EDF) intraocular lenses (IOLs) are emerging as a viable alternative to traditional multifocal and monofocal IOLs, particularly in treating cataract surgery or presbyopia, especially for patients with lower near vision requirements. EDF IOLs, by design, provide a continuous range of vision, extending the far distance focal point and enhancing spectacle independence at intermediate and near distances, unlike conventional monofocal IOLs, even though it is not targeted for patients looking for a complete near spectacle independence. These lenses are characterized by a gradual decrease in visual acuity from far to near vision, maintaining a non-increasing trend in visual acuity changes across varying degrees of optical defocus. The ELON IOL by Medicontur Medical Engineering Ltd. employs wavefront modulation technology to extend the depth of focus. The ELON IOL, different from traditional multifocal designs, links separate optical refractive zones to create a single, extended focus. This design offers advantages over other EDF IOLs, such as a longer range of functional vision and reduced photic phenomena depending on pupil diameter of the eye.

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The Medicontur IOL

  • Joaquín Fernández Pérez,
  • Manuel Rodríguez Vallejo

摘要

Extended depth-of-focus (EDF) intraocular lenses (IOLs) are emerging as a viable alternative to traditional multifocal and monofocal IOLs, particularly in treating cataract surgery or presbyopia, especially for patients with lower near vision requirements. EDF IOLs, by design, provide a continuous range of vision, extending the far distance focal point and enhancing spectacle independence at intermediate and near distances, unlike conventional monofocal IOLs, even though it is not targeted for patients looking for a complete near spectacle independence. These lenses are characterized by a gradual decrease in visual acuity from far to near vision, maintaining a non-increasing trend in visual acuity changes across varying degrees of optical defocus. The ELON IOL by Medicontur Medical Engineering Ltd. employs wavefront modulation technology to extend the depth of focus. The ELON IOL, different from traditional multifocal designs, links separate optical refractive zones to create a single, extended focus. This design offers advantages over other EDF IOLs, such as a longer range of functional vision and reduced photic phenomena depending on pupil diameter of the eye.