1. VTI Data on file, 2018.
  2. Bailey, G. (n.d.). Myopia (Nearsightedness). Retrieved January 16, 2018, from



  1. American Optometric Association. (2011). Optometric Clinical Practice Guideline – Care of the Patient With Presbyopia. (3rd ed.). St. Louis, MO: Mancil G. L. et al.
  2. Bailey, G. (2017, August). Presbyopia. Retrieved January 16, 2018, from
  3. VTI Date on file, 2015. N=59. Data assessed after 1 week of wear. Subjective visual ratings based on a scale of 0-100m 0=Extremely poor/cannot perform, 100-Extremely good/No problems. All values statistically significant p</=0.05. Preference based on those who expressed a preference among brands tested.



  1. Jones LA, Sinnott LT, Mutti DO, Mitchell GL, Moeschberger ML, Zadnik K. Parental history of myopia, sports and outdoor activities, and future myopia. Invest Ophthalmol Vis Sci 2007;48:3524–32.
  2. Wang J, Li Y, Musch DC, et al. Progression of Myopia in School-Aged Children After COVID-19 Home Confinement. JAMA Ophthalmol. 2021;139(3):293– 300. doi:10.1001/jamaophthalmol.2020.6239.
  3. Saxena R, Vashist P, Tandon R, Pandey RM, Bhardawaj A, Gupta V, et al. (2017) Incidence and progression of myopia and associated factors in urban school children in Delhi: The North India Myopia Study (NIM Study). PLoS ONE 12(12): e0189774.
  4. Peripheral Hyperopia explanation summarized from: Gifford P, & Gifford KL. (2016). The Future of Myopia Control Contact Lenses. Optometry and Vision Science, 93(4), 336-343. Smith EL., Kee C, Ramamirtham R, Qiao-Grider Y, & Hung L. (2005). Peripheral Vision Can Influence Eye Growth and Refractive Development in Infant Monkeys. Investigative Ophthalmology & Visual Science. 46(11): 396
  5. Flitcroft, DI. “The complex interactions of retinal, optical and environmental factors in myopia etiology”. Progress in Retinal and Eye Research. 2012;31: 622-660.
  6. Cooper J, O’Connor B, Watanabe R, Fuerst R, Berger S, Eisenberg N, Dillehay SM. Case series analysis of myopic progression control with a unique extended depth of focus multifocal contact lens. Eye & Contact Lens. 2018;4(5):e16-e24.

*Retrospective analysis of 32 children, ages 6 to 19, across 10 different practice locations who wore the lenses for 6-25 months.


  1. VTI Data on file, 2018.