Recent Publications

  1. Simpson MJ. Simulated Images of Intraocular Lens Negative Dysphotopsia and Visual Phenomena.  J. Opt. Soc. Am. A 36, B44-B51 (2019) (available online before print edition)
  2. Erie JC, Simpson MJ, Bandhauer MH. A modified intraocular lens design to reduce negative dysphotopsia. J Cataract Refract Surg. In Press (2019) (2019)
  3. Erie JC, Simpson MJ, Bandhauer MH. Effect of a sulcus-fixated piggyback IOL on negative dysphotopsia: A ray-trace analysis. J Cataract Refract Surg Dec 18. pii: S0886-3350(18)30952-0. (2018)  Free download until mid-May 2019 from: 
  4. Simpson MJ, Muzyka-Wozniak M. Iris Characteristics Affecting Far Peripheral Vision and Negative Dysphotopsia. J Cataract Refract Surg 2018; 44:459–465.
  5. Simpson MJ. Mini-review: Far Peripheral Vision. Vision Research 140C (2017) 96-105 
  6. Holladay JT, Simpson MJ, "Negative dysphotopsia: Causes and rationale for prevention and treatment".  J. Cataract Refract. Surg. 2017; 43:263-275. 
  7. M.J. Simpson, “Vignetting and negative dysphotopsia with intraocular lenses in “far peripheral vision””,  J. Opt. Soc. Am. A (2015). 
  8. M. J. Simpson, “Managing and understanding negative dysphotopsia (Letter)”  
  9. M. J. Simpson, “Double image in far-peripheral vision of pseudophakic eye as source of negative dysphotopsia,” J. Opt. Soc. Am. A. 31, 2642-2649 (2014). publications


  1. Simpson MJ. Modelling IOL negative dysphotopsia and visual phenomena. Visual and Physiological Optics Meeting (VPO) Athens, Greece, 2018. 
  2. Simpson MJ, Muzyka-Wozniak M. Effect of pupil diameter on both negative dysphotopsia and peripheral vision with IOLs.  ESCRS, Lisbon, Portugal, Oct. 2017. 
  3. Simpson MJ, Muzyka-Wozniak M. Iris characteristics affecting far peripheral vision and negative dysphotopsia. Wed. May 10, 8:30-10:15, Baltimore, MD. (2017)
  4. Simpson MJ. Parameters Affecting both Far Peripheral Vision in Phakic Eyes and Negative Dysphotopsia with Intraocular Lenses. ARVO, Seattle, WA, May 2016.
  5. Simpson MJ. Theoretical Evaluation of  Far Peripheral Vision and Negative Dysphotopsia for the Pseudophakic Eye. ASCRS New Orleans. May 2016. 
  6.  Simpson MJ. Modern intraocular lens design principles, Wavefront Congress, San Francisco, Mar. 4-5 2016.
  7. Simpson MJ. Parameters affecting Vignetting and negative dysphotopsia in the far peripheral visual field of the pseudophakic eye. ARVO. Denver, May 2015.

Meetings in 2019

 ARVO 2019, Vancouver, Canada (April 28-May 2).   Image detail and Negative Dysphotopsia with Intraocular Lens Far Peripheral Vision. Poster. Tues. 30th about noon.

ASCRS 2019, San Diego. Available for discussions May 4-6 2019. 

Patents and Other Publications

Patents and other publications can be found online. Feel free to email with questions.