Publications

1.  Michael J. Simpson, David L. Cooke, and Maria Muzyka-Woźniak, Vignetting and peripheral double images with intraocular lenses,"  "Biomed. Opt. Express 16, 2495-2503 (2025).    Open Access    https://doi.org/10.1364/BOE.559745
2. Michael J. Simpson, Damien Gatinel, Miguel Faria-Ribeiro, Xin Wei, Geunyoung Yoon, Junzhong Liang, Pablo Artal, Susana Marcos, "Design concepts for advanced-technology intraocular lenses [Invited]" Biomed. Opt. Express 16, 334 (2025).    Open Access https://doi.org/10.1364/BOE.544647    
3. Simpson MJ, Optical modeling of the entire visual field of the eye, J. Opt. Soc. Am. A 40, D7 (2023).     https://doi.org/10.1364/JOSAA.488033   (and on Downloads page)
4. Simpson MJ.  Focal Length, EFL, and the Eye. Applied Optics, v62, n7, 1 March 2023 p1853-1857. https://doi.org/10.1364/AO.481805    (and on Downloads page)
5. Simpson MJ. Letter to the Editor: Radial and Tangential Retinal Magnifications. Trans Vis Sci Tech. 2023;12(1):7. https://doi.org/10.1167/tvst.12.1.7 (and see related publications).
6. Simpson MJ, Nodal points and the eye, Appl. Opt. 61, 2797-2804 (2022) https://doi.org/10.1364/AO.455464    (and on Downloads page)
7. Erie JC, Simpson MJ, Mahr MA. Effect of a 7.0 mm Intraocular Lens Optic on Peripheral Retinal Illumination with implications for Negative Dysphotopsia. J Cataract Refract Surg 2022; 48:95-99.   https://doi.org/10.1097/j.jcrs.0000000000000822
8. Simpson, MJ. Corneal power values for use with keratoprostheses and intraocular lenses. Ophthalmic Physiol Opt. 2021; 00: 1– 7. https://doi.org/10.1111/opo.12886
9. Simpson MJ.   Scaling the Retinal Image of the Wide-Angle Eye Using the Nodal Point. Photonics. 2021; 8(7):284.  Open Access.  https://doi.org/10.3390/photonics8070284.    
10. Simpson MJ. Pre-clinical Estimation of the Intraocular Lens A-Constant, and its Relationship to Power, Shape Factor, and Asphericity. Applied Optics 60:5662-5668 (2021)   https://doi.org/10.1364/AO.426155      (and on Downloads page)
11. Simpson MJ. Comment on: Distinct differences in anterior chamber configuration and peripheral aberrations in negative dysphotopsia. J Cataract Refract Surg 47; 139-140 (2021). https://doi.org/10.1097/j.jcrs.0000000000000432
12. Simpson MJ. Intraocular Lens Far Peripheral Vision: Image Detail and Negative Dysphotopsia. J Cataract Refract Surg 46; 451-8 (2020) https://doi.org/10.1097/j.jcrs.0000000000000103     (and on Downloads page)
13. Mahr MA, Simpson MJ, Erie JC. Angle alpha orientation and magnitude distribution in a cataract surgery population. J Cataract Refract Surg 46:372–377 (2020) https://doi.org/10.1097/j.jcrs.0000000000000066
14. Simpson MJ. Simulated Images of Intraocular Lens Negative Dysphotopsia and Visual Phenomena.  J. Opt. Soc. Am. A 36, B44-B51 (2019). https://doi.org/10.1364/josaa.36.000b44    (and on Downloads page)
15. Simpson MJ, Bandhauer MH. Influence of the IOL Haptic Junction on Illumination of the Peripheral Retina and Negative Dysphotopsia. J Cat Refr Surg 2019: 45:1335–1339.  https://doi.org/10.1016/j.jcrs.2019.04.019
16. Erie JC, Simpson MJ, Bandhauer MH. A modified intraocular lens design to reduce negative dysphotopsia. J Cataract Refract Surg. 2019; 45:1013–1019 (2019)  https://doi.org/10.1016/j.jcrs.2019.01.019
17. Erie JC, Simpson MJ, Bandhauer MH. Effect of a sulcus-fixated piggyback IOL on negative dysphotopsia: A ray-trace analysis. J Cataract Refract Surg  45:443–450  (2018) https://doi.org/10.1016/j.jcrs.2018.10.041
18. Simpson MJ, Muzyka-Wozniak M.   Iris Characteristics Affecting Far Peripheral Vision and Negative Dysphotopsia. J Cataract Refract Surg 2018; 44:459–465. https://doi.org/10.1016/j.jcrs.2018.01.028   (and on Downloads page)
19. Simpson MJ.  Mini-review: Far Peripheral Vision. Vision Research 140C (2017) 96-105 https://doi.org/10.1016/j.visres.2017.08.001   (and on Downloads page)
20. Holladay JT, Simpson MJ, "Negative dysphotopsia: Causes and rationale for prevention and treatment".  J. Cataract Refract. Surg. 2017; 43:263-275.   https://doi.org/10.1016/j.jcrs.2016.11.049
21. M.J. Simpson, “ Vignetting and negative dysphotopsia with intraocular lenses in “far peripheral vision””,  J. Opt. Soc. Am. A (2015).  https://doi.org/10.1364/josaa.32.001672     (and on Downloads page)
22. M. J. Simpson, “Managing and understanding negative dysphotopsia (Letter)”  https://doi.org/10.1016/j.jcrs.2014.12.038
23. 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). https://doi.org/10.1364/josaa.31.002642     (and on Downloads page)

1. Simpson MJ. Scaling the Retinal Image of the Pseudophakic Eye Using the Nodal Point. Optical Society of America Annual Meeting, FIOS, Sept. 16, 2020.
2. Simpson MJ. Ray tracing of negative dysphotopsias". Symposium on Negative Dysphotopsia, ESCRS, Sept. 2019, Paris, France.
3. Simpson MJ.  Image detail and Negative Dysphotopsia with Intraocular Lens Far Peripheral Vision.  Poster. ARVO 2019, Vancouver, Canada (April 30) 
4. Simpson MJ. Modelling IOL negative dysphotopsia and visual phenomena. Visual and Physiological Optics Meeting (VPO) Athens, Greece, 2018. 
5. Simpson MJ, Muzyka-Wozniak M. Effect of pupil diameter on both negative dysphotopsia and peripheral vision with IOLs.  ESCRS, Lisbon, Portugal, Oct. 2017. 
6. Simpson MJ, Muzyka-Wozniak M. Iris characteristics affecting far peripheral vision and negative dysphotopsia. Wed. May 10, 8:30-10:15, Baltimore, MD. (2017)
7. Simpson MJ. Parameters Affecting both Far Peripheral Vision in Phakic Eyes and Negative Dysphotopsia with Intraocular Lenses. ARVO, Seattle, WA, May 2016.
8. Simpson MJ. Theoretical Evaluation of  Far Peripheral Vision and Negative Dysphotopsia for the Pseudophakic Eye. ASCRS New Orleans. May 2016. 
9.  Simpson MJ. Modern intraocular lens design principles, Wavefront Congress, San Francisco, Mar. 4-5 2016.
10. Simpson MJ. Parameters affecting Vignetting and negative dysphotopsia in the far peripheral visual field of the pseudophakic eye. ARVO. Denver, May 2015.

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