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Modeling the Human Eye and Designing Presbyopia Correction in Zemax and Speos

Join us as we demonstrate how to model the human eye and design multifocal contact lenses for Presbyopia correction using the eye model.

About This Webinar

Optical models of the human eye are widely used in vision science as computational tools for investigating retinal image formation under different conditions. For example, it predicts how refraction and aberrations are affected by ocular biometry and explores the limitations imposed on vision by the optical system of the eye.

Applications include ophthalmic instrument design to examine the eye and correctiondesign for patients with vision loss. Presbyopia, the gradual loss of the aging eyes' ability to accommodate near-object distances, affects a substantial part of the population.

Multifocal contact lenses have gained increasing interest in recent years as the preferred method of correction due to the demanding lifestyle of the digital era, their cosmetic advantages over spectacles, and the increased practitioner confidence to fit them.

What You Will Learn

In this webinar, we will demonstrate how to model the human eye and design multifocal contact lenses for presbyopia correction using the eye model:

  1. We will implement the Chromatic Aspherical Gullstrand Exact model to simulate the average unaccommodated human eye.
  2. To replace the natural focusing mechanism to near objects for presbyopic patients, we will design a multifocal contact lens addition tothe schematic eye in the sequential mode of Zemax OpticStudio using its powerful optimization engine.
  3. We will visualize and evaluate the system performance in a realistic scene in Speos


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