Contact Lens Spectrum


November 2019

Document #288

(p. 12) Refractive Focus – Ups and Downs of Ortho-k for Myopia Control
By Kate Gifford, PhD, BAPPSc(Optom)Hons

  1. Sun Y, Xu F, Zhang T, et al. Orthokeratology to control myopia progression: a meta-analysis, PLoS One. 2015 Apr 9;10:e0124535.
  2. Si JK, Tang K, Bi HS, Guo DD, Guo JG, Wang XR. Orthokeratology for myopia control: a meta-analysis. Optom Vis Sci. 2015 Mar;92:252-257.
  3. Efron N, Morgan PB, Woods CA, Santodomingo-Rubido J, Nichols JJ; International Contact Lens Prescribing Survey Consortium; International survey of contact lens fitting for myopia control in children. Cont Lens Anterior Eye. 2019 Jul 3. [Epub ahead of print]
  4. Li SM, Kang MT, Wu SS, et al. Studies using concentric ring bifocal and peripheral add multifocal contact lenses to slow myopia progression in school-aged children: a meta-analysis. Ophthalmic Physiol Opt. 2017 Jan; 37:51-59.
  5. Ticak A, Walline JJ. Peripheral Optics with Bifocal Soft and Corneal Reshaping Contact Lenses. Optom Vis Sci. 2013 Jan;90:3-8.
  6. Queirós A, González-Méijome JM, Jorge J, Villa-Collar C, Gutiérrez AR. Peripheral refraction in myopic patients after orthokeratology. Optom Vis Sci. 2010 May;87:323-329.
  7. Kang P, Swarbrick H. Peripheral Refraction in Myopic Children Wearing Orthokeratology and Gas-Permeable Lenses. Optom Vis Sci. 2010 Apr;88:476-482.
  8. Cheng X, Xu J, Brennan N. Evaluation of simulated orthokeratology in a soft contact lens for myopia control. Invest Ophthalmol Vis Sci. 2018 Jul;59:3927.
  9. Walline JJ, Gaume Giannoni A, Sinnott LT, et al; Blink Study Group. A Randomized Trial of Soft Multifocal Contact Lenses for Myopia Control: Baseline Data and Methods. Optom Vis Sci. 2017 Sep;94:856-866.
  10. Mountford JM. An analysis of the changes in corneal shape and refractive error induced by accelerated orthokeratology. Int Cont Lens Clinic. 1997 Jul-Aug;24:128-144.
  11. Tahhan N, Du Toit R, Papas E, Chung H, La Hood D, Holden B. Comparison of Reverse-Geometry Lens Designs for Overnight Orthokeratology. Optom Vis Sci. 2003 Dec;80:796-804.
  12. Chen Z, Niu L, Xue F, et al. Impact of pupil diameter on axial growth in orthokeratology. Optom Vis Sci. 2012 Nov;89:1636-1640.
  13. Marcotte-Collard R, Simard P, Michaud L. Analysis of Two Orthokeratology Lens Designs and Comparison of Their Optical Effects on the Cornea. Eye Contact Lens. 2018 Sep;44:322-329.
  14. Gifford P, Kang P, Masseedupally V, Tran M, Priestley C. Can orthokeratology lens design be modified to alter peripheral refraction? Invest Ophthalmol Vis Sci. 2019 July;60:6327.
  15. Stillitano I, Schor P, Lipener C, Hofling-Lima AL. Long-term follow-up of orthokeratology corneal reshaping using wavefront aberrometry and contrast sensitivity. Eye Contact Lens. 2008 May;34:140-145.
  16. Hiraoka T, Kakita T, Okamoto F, Oshika T. Influence of ocular wavefront aberrations on axial length elongation in myopic children treated with overnight orthokeratology. Ophthalmology. 2015 Jan;122:93-100.
  17. Hiraoka T, Kotsuka J, Kakita T, Okamoto F, Oshika T. Relationship between higher-order wavefront aberrations and natural progression of myopia in schoolchildren. Sci Rep. 2017 Aug;7:7876.
  18. Gifford P, Tran M, Priestley C, Masseedupally V, Kang P. Influence of change to orthokeratology induced treatment zone diameter and pupil diameter on the optics of the cornea. Presented at the International Myopia Conference, Tokyo. 2019 Sep 13.
  19. Gifford P, Li M, Lu H, Miu J, Panjaya M, Swarbrick HA. Corneal versus ocular aberrations after overnight orthokeratology. Optom Vis Sci. 2013 May;90:439-447.
  20. Gifford KL, Gifford P, Hendicott PL, Schmid KL. Zone of Clear Single Binocular Vision in Myopic Orthokeratology. Eye Contact Lens. 2019 Apr 15. [Epub ahead of print]
  21. Zhu M, Feng H, Zhu J, Qu X. The impact of amplitude of accommodation on controlling the development of myopia in orthokeratology. Zhonghua Yan Ke Za Zhi. 2014 Jan;50:14-19.
  22. Gifford K, Schmid KL, Collins J, et al. Accommodative responses of young adult myopes wearing multifocal contact lenses, Invest Ophthalmol Vis Sci. 2019 July;60:6376.
  23. Schmid KL, Gifford K, Chan P, et al. The effects of aspheric and concentric multifocal soft contact lenses on visual quality, vergence and accommodation function in young adult myopes. Invest Ophthalmol Vis Sci. 2019 Jul;60:3893.
  24. Johnson KL, Carney LG, Mountford JA, Collins MJ, Cluff S, Collins PK. Visual performance after overnight orthokeratology. Cont Lens Anterior Eye. 2017 Mar;30:29-36.
  25. Bickle K, Walline J. Bifocal lenses in nearsighted kids (BLINK) study. Optom Vis Sci. 2013;90:E-abstract 130789.
  26. Schulle KL, Berntsen DA, Sinnott LT, et al; Bifocal Lenses in Nearsighted Kids Study Group. Visual Acuity and Over-refraction in Myopic Children Fitted with Soft Multifocal Contact Lenses. Optom Vis Sci. 2018 Apr;95:292-298.
  27. Faria-Ribeiro M, Amorim-de-Sousa A, Gonzalez-Meijome JM. Predicted accommodative response from image quality in young eyes fitted with different dual-focus designs. Ophthalmic Physiol Opt. 2018 May;38:309-316.
  28. Cheng X, Xu J, Brennan NA. Accommodation and its role in myopia progression and control with soft contact lenses. Ophthalmic Physiol Opt. 2019 May;39:162-171.

(p. 17) Contact Lens Care & Compliance – A Closer Look at Polyhexamethylene Biguanide
By Melissa Barnett, OD

  1. Muller G, Kramer A. Biocompatibility index of antiseptic agents by parallel assessment of antimicrobial activity and cellular cytotoxicity. J Antimicrob Chemother. 2008 Jun;61:1281-1287.
  2. Larkin DF, Kilvington S, Dart JK. Treatment of Acanthamoeba keratitis with polyhexamethylene biguanide. Ophthalmology. 1992 Feb;99:185-191.
  3. Buchele MLC, Wopereis DB, Casara G, et al. Contact lens-related polymicrobial keratitis: Acanthamoeba spp. genotype T4 and Candida albicans. Parasitol Res. 2018 Nov;117:3431-3436.
  4. Chindera K, Mahato M, Sharma AK, et al. The antimicrobial polymer PHMB enters cells and selectively condenses bacterial chromosomes. Sci Rep. 2016 Mar;6:23121.
  5. Wessels S, Ingmer H. Modes of action of three disinfectant active substances: A review. Regul Toxicol Pharmacol. 2013 Dec;67:456-467.
  6. Gromacki SJ, Ward MA. Understanding Contemporary Contact Lens Care Products. Contact Lens Spectrum. 2013 Jun;28:20-25.
  7. Shoff ME, Lucas AD, Brown JN, Hitchins VM, Eydelman MB. The effects of contact lens materials on a multipurpose contact lens solution disinfection activity against Staphylococcus aureus. Eye Contact Lens. 2012 Nov;38:368-373.

(p. 44) The Scleral Lens Vault – Scleral Lenses for Radial Keratotomy
By Gregory W. DeNaeyer, OD

  1. McDonald M. The Early History of Laser Vision Correction. Ophthalmology Management. 2011 Apr;15(suppl). Available at,-present-future/the-early-history-of-laser-vision-correction . Accessed 9/26/19.
  2. Waring GO 3rd, Lynn MJ, McDonnell PJ. Results of the prospective evaluation of radial keratotomy (perk) study 10 years after surgery. Arch Ophthalmol. 1994 Oct;112:1298-1308.

(p. 52) Contact Lens Case Reports – Finding Lenses for Irregular Astigmatism Post-HZV
By Patrick J. Caroline & Mark P. André

  1. Caroline PJ, André MP. Does Scleral Lens Wear Influence IOP? Contact Lens Spectrum. 2017 Mar;32:56.
  2. Caroline PJ, André MP. Does IOP Increase During Scleral Lens Wear? Contact Lens Spectrum. 2019 Sep;34:52.
  3. Caroline PJ, André MP Initial Selection of Corneal Versus Scleral GP Lens. Contact Lens Spectrum. 2015 Apr;30:56.