Contact Lens Spectrum

January 2008

Document #146




(p. 20) Contact Lens Materials: Rotational Characteristics of Silicone Hydrogel Toric Lenses, By Neil A. Pence, OD, FAAO


1.  Pence NA, Howard, D et al.  “Rotational of Acuvue Advance for Astigmatism Lenses”, American Academy of Optometry Annual Meeting Poster Presentation, Denver, CO December 2006.


2.  Pence NA, Kovacich, S et al.  “Rotational Characteristics of PureVision Toric Contact Lens”, American Academy of Optometry Annual Meeting Poster Presentation, Tampa, FL October 2007.




(p. 21) Dry Eye Dx and Tx: Protecting Dry Eyes from Harm, By William Townsend, OD, FAAO


  1. 1.         Abelson M, Fink K. How to Handle BAK Talk. Rev. Ophth. 2002; 9:12


  1. Murube J, Rivas L. Biopsy of the conjunctiva in dry eye patients establishes a correlation between squamous metaplasia and dry eye clinical severity. Eur J Ophthalmol. 2003 Apr;13(3):246-56.


  1. Ousler GW, Emory TB, Welch D, et al. Factors that influence the interblink

interval (IBI) as measured by the ocular protection index (OPI). Presented at the Association of Research in Vision and Ophthalmology  Annual Meeting, May 5–10, 2002, Fort Lauderdale, FL.


  1. Ousler GW 3rd, Workman DA, Torkildsen GL. An open-label, investigator-masked, crossover study of the ocular drying effects of two antihistamines, topical epinastine and systemic loratadine, in adult volunteers with seasonal allergic  conjunctivitis. Clin Ther. 2007 Apr;29(4):611-6.


  1. Ousler GW, Wilcox KA, Gupta G, Abelson MB.  An evaluation of the ocular drying effects of 2 systemic antihistamines: loratadine and cetirizine hydrochloride. Ann Allergy Asthma Immunol. 2004;93(5):460-4


  1. Göbbels M, Spitznas M. Corneal epithelial permeability of dry eyes before and after treatment with artificial tears. Ophthalmology. 1992 Jun;99(6):873-8
  2. De Saint Jean M. et al. Effects of benzalkonium chloride on growth and survival of Chang conjunctival cells. Invest Ophthalmol Vis Sci. 1999 Mar;40(3):619-30.


  1. Özdal P. Chemotactic and chemokinetic properties of topical opthalmic preparations. Current Eye Research, 2002 Dec; 25(6):363-79.


  1. Guenoun JM, Baudouin C, Rat P et. In vitro study of inflammatory potential and toxicity profile of latanoprost, travoprost, and bimatoprost in conjunctiva-derived epithelial cells. Invest Ophthalmol Vis Sci. 2005 Jul;46(7):2444-50


  1. Gerdy GJ et al. Preservative-free artificial tear preparations. Assessment of corneal epithelial toxic effects. Arch Ophthalmol 1992;110:4:528-32.




(p. 23) Cultivating Compliance: Improving Compliance with Contact Lens Care Products, by Vishakha Thakrar, OD, FAAO


  1. Bennett ES. What have we learned from the fusarium outbreak? Review of Optometry 2007;144(4).
  2. Amos CF, George MD. Clinical and laboratory testing of a silver-impregnated lens case. Contact Lens and Anterior Eye 2006;29:247-255.
  3. Molecular characterization, biofilm analysis and experimental biofouling study of Fusarium isolates from recent cases of fungal keratitis in New York State. BMC Ophthalmology 2007;7:1.
  4. Zegans ME, Becker HI, Budzik J, O’Toole G. The role of bacterial biofilms in ocular infections. DNA Cell Biology 2002 May-Jun; 21(5-6):415-20.
  5. Amos C. Clinical testing of the MicroBlock antimicrobial lens. Optician 2005 Jul 1; 230 (6008):16-20.
  6. Radford CF, Bacon AS, Dart JK, Minassian DC. Risk factors for acanthamoeba keratis in contact lens users: a case-control study. BMJ 1995; 310:1567-1570.
  7. Hughes R, Kilvington S. Comparison of hyrdrogen peroxide contact lens disinfection systems and solutions against Acanthamoega polyphaga. Antimicrobial Agents and Chemotherapy 2001;45(7):2038-2043.
  8. Whalen R, Janoff L. Hydrogen peroxide disinfection. CLAO J. 1985;11(4):377-379.
  9. Houlsby RD, Ghajar M, Chavez G. Microbiological evaluation of soft contact lens disinfecting solutions. J. of American Optometric Association 1984;55(3):205-211.





(p. 36) International Contact Lens Prescribing in 2007, By Philip B. Morgan, PhD, MCOptom, FAAO, FBCLA


  1. Morgan PB, Efron N, Woods CA, Jones D, Tranoudis I, van der Worp E, Helland M.  International contact lens prescribing  Contact Lens Spectrum 2002; 17(1): 42-45.
  2. Morgan PB, Efron N, Woods CA, Jones D, Tranoudis I, van der Worp E, Helland M, Barr J and Bailey G.  International contact lens prescribing  Contact Lens Spectrum 2003; 18(1): 32-35.
  3. Morgan PB, Efron N, Woods CA, Jones D, Tranoudis I, Itoi M, van der Worp E, Helland M, Hong AYC, Barr JT.  International contact lens prescribing in 2003.  Contact Lens Spectrum 2004; 19(1): 34-37.
  4. Morgan PB, Efron N, Woods CA, Jones D, Grein H-J, Tranoudis IG, Montani G, Marani E, Itoi M, van der Worp E, Phillips G, Helland M, Thunholm-Henriksson I-L, Hong AYC, Barr JT.  International contact lens prescribing in 2004.  Contact Lens Spectrum 2005; 20(1): 34-37.
  5. Morgan PB, Efron N, Woods CA, Jones D, Pesinova A, Grein H-J, Tranoudis IG, Chandrinos A, Itoi M, van der Worp E, Phillips G, Belousov V, Helland M, Thunholm-Henriksson I-L, Ong A, Lee KH, Barr JT.  International contact lens prescribing in 2005.  Contact Lens Spectrum 2006; 21(1): 35-39.
  6. Morgan PB, Woods CA, Jones D, Efron N, Tan K-O, Gonzalez MY, Pesinova A, Grein H-J, Runberg S-E, Tranoudis IG, Chandrinos A, Fine P, Montani G, Marani E, Itoi M, Bendoriene J, van der Worp E, Phillips G, Belousov V, Helland M, Barr JT.  International contact lens prescribing in 2006.  Contact Lens Spectrum 2007; 22(1): 34-38.



(p. 42) Clinical Risks: Myths and Truths, by Brian Levy, OD, MSc, FAAO, & Gary Orsborn, OD, MSc, FAAO


  1. Levy B, Heiler D, Norton S. Report on testing from an investigation of Fusarium keratitis in contact lens wearers. Eye & Contact Lens 32(6):256-261, 2006
  2. Groemminger S, Norton S. Testing MPS lens care solutions against staphylococcus aureus. Contact Lens Spectrum. April 2007.
  3. Hume EB, Zhu H, Cole N, Huynh C, Lam S, Willcox MD. Efficacy of contact lens multipurpose solutions against serratia marcescens. Optom Vis Sci. 2007 Apr;84(4):316-20.
  4. Khor WB, Aung T, Saw SM, Wong TY, Tambyah PA, Tan AL, Beuerman R, Lim L, Chan WK, Heng WJ, Lim J, Loh RS, Lee SB, Tan DT. An outbreak of fusarium keratitis associated with contact lens wear in Singapore. JAMA. 2006 Jun 28;295(24):2867-73.
  5. Bharathi MJ, Ramakrishnan R, Meenakshi R, Kumar CS, Padmavathy S, Mittal S. Ulcerative keratitis associated with contact lens wear. Indian J Ophthalmol. 2007 Jan-Feb;55(1):64-7.
  6. Tchao R, McCanna DJ, Miller MJ. Comparison of contact lens multipurpose solutions by in vitro sodium fluorescein permeability assay. CLAO J. 2002 Jul;28(3):151-6.
  7. Mowrey-McKee M, Sills A, Wright A. Comparative cytotoxicity potential of soft contact lens care regimens. CLAO J. 2002 Jul;28(3):160-4.
  8. McCanna DJ, Harrington KL, Driot J-Y, Ward KW, Tchao R. The effect of Two Contact Lens Care Solutions on the Ocular Surface. Poster, British Contact Lens Association's 31st Clinical Conference and Exhibition; 2007
  9. Barrett RP, Mowrey-McKee M, Zhang Y, Hazlett LD. Punctate fluorescein corneal staining observed using polyhexamethylene biguanide containing disinfecting solution not indicative of corneal surface damage. Invest Ophthalmol Vis Sci. 2005;46: E-Abstract 5732.
  10. Poggio EC, Glynn RJ, Schein OD, Seddon JM, Shannon MJ, Scardino VA, Kenyon KR. The incidence of ulcerative keratitis among users of daily-wear and extended-wear soft contact lenses. N Engl J Med. 1989 Sep 21;321(12):779-83.
  11. Cheng KH, Leung SL, Hoekman HW, Beekhuis WH, Mulder PG, Geerards AJ, Kijlstra A. Incidence of contact-lens-associated microbial keratitis and its related morbidity. Lancet. 1999 Jul 17;354(9174):181-5.
  12. Stapleton F, Edwards K, Keay L, et al. The Incidence of contact lens related microbial keratitis In Australia. Optom Vis Sci 2005; 46:5025; E-abstract
  13. Fleiszig, SMJ. The pathogenesis of contact lens-related keratitis. OptomVis Sci 83:12, E866-E873, December 2006.
  14. Carnt N, Willcox MDP, Evans V, et al. Corneal Staining: The IER Matrix Study. Contact Lens Spectrum, September 2007.



(p. 52) Options for Recurrent Erosion, By Leo Semes, OD, FAAO


Hykin PG, Foss AE, Pavesio C, Dart JK. The natural history and management of recurrent corneal erosion: a prospective randomised trial. Eye. 1994;8 ( Pt 1):35-40.


O'Brart DP, Muir MG, Marshall J. Phototherapeutic keratectomy for recurrent corneal erosions. Eye. 1994;8 ( Pt 4):378-83.


Kanpolat A, Ucakhan OO.  Therapeutic use of Focus Night & Day contact lenses. Cornea. 2003 Nov ;22:726-34.


Montero J, Sparholt J, Mely R.  Retrospective case series of therapeutic applications of a lotrafilcon A silicone hydrogel soft contact lens.Eye Contact Lens. 2003 Jan;29(1 Suppl):S54-6; discussion S57-9, S192-4.


Mackie IA.  Successful management of three consecutive cases of recurrent corneal erosion with botulinum toxin injections. Eye. 2004;18:734-7.


Baryla J, Pan YI, Hodge WG. Long-term efficacy of phototherapeutic keratectomy on recurrent corneal erosion syndrome. Cornea. 2006 Dec;25(10):1150-2.


Singh RP, Raj D, Pherwani A, Lagnado R, Abedin A, Eatamadi H, Mathew M, Dua HS. Alcohol delamination of the corneal epithelium for recalcitrant recurrent corneal erosion syndrome: a prospective study of efficacy and safety. Br J Ophthalmol. 2007 ;91:908-11.

Watson S, Barker N. Interventions for recurrent corneal erosions. Cochrane Database Syst Rev. 2007 Oct 17;(4):CD001861.