Contact Lens Spectrum

June 2010

Document #175





(p. 12) Point/Counterpoint: Lens Replacement Frequency


Let Clinical Evidence and Lens Performance Guide Your Decision, By Colleen M. Riley, OD, MS, FAAO


1.       Data on file, Johnson & Johnson Vision Care, Inc., 2010.

2.       Stapleton F, Keay L, Edwards K, et al. The incidence of contact lens-related microbial keratitis in Australia. Ophthalmology 2008;115(10):1655-62.

3.       Dart JK, Radford CF, Minassian D et al. Risk factors for microbial keratitis with contemporary contact lenses: a case control study. Ophthalmology 2008;115:1647-54.

4.       Hickson-Curran SB, Chou P, Gardere J. Longer prescribed replacement intervals leads to more stretching of frequent replacement lenses.  Poster presented at American Academy of Optometry 2009 Annual Meeting, Orlando, Fla., Nov. 2009.


Patients are More Compliant When Compliance is Easy to Remember, By Peter D. Bergenske, OD, FAAO


1.            Bergenske P. The winning combination:  disposable lenses for daily wear. Cont Lens Spectrum 1990(June).

2.         Poggio E, Abelson M. Complications and symptoms with disposable daily wear contact lenses and conventional soft daily wear contact lenses. Clao J 1993;19(2):95-102.

3.            Solomon O, Freeman M, Boshnick E, al e. A 3-year prospective study of the clinical performance of daily disposable contact lenses compared with frequent replacement and conventional daily wear contact lenses. Clao J 1996;22(4):250-7.

4.            Porazinski A, Donshik P. Giant Papillary Conjunctivitis in Frequent Replacement Contact Lens Wearers: A Retrospective Study. CLAO 1999;25(3):142-7.

5.         Jones L, Franklin V, Evans K, et al. Spoilation and clinical performance of monthly vs three monthly group II disposable contact lenses. Optom Vis Sci 1996;73(1):16-21.

6.         Sack R, Jones B, Antignani A, et al. Specificity and biological activity of the protein deposited on the hydrogel surface. Invest Ophthalmol Vis Sci 1987;28(5):842-9.

7.         Minno G, Eckel L, Groemminger S, et al. Quantitative analysis of protein deposits on hydrophilic soft contact lenses:  I. Comparison to visual methods of analysis.  II. Deposit variation among FDA lens material groups. Optom Vis Sci 1991;68(11):865-72.

8.         Garrett Q, Garrett R, Milthorpe B. Lysozyme sorption in hydrogel contact lenses. Invest Ophthalmol Vis Sci 1999;40:897 - 903.

9.         Suwala M, Glasier MA, Subbaraman LN, Jones L. Quantity and conformation of lysozyme deposited on conventional and silicone hydrogel contact lens materials using an in vitro model. Eye Contact Lens 2007;33(3):138-43.

10.        Gabriel M, Nash W. A comparison of new enhanced-lotrafilcon A and silicone hydrogel lenses on contact angle and lipid adsorption after daily wear. Cont Lens Anterior Eye 2009;32:241.

11.        Boone A, Heynen M, Joyce E, et al. Ex Vivo Protein Deposition on Bi-Weekly Silicone Hydrogel Contact Lenses. Opt Vis Sci 2009;86(11):1241-9.



(p. 14) Prescribing for Astigmatism: Piggybacking With Soft Torics, By Brett Larson, OD, & Timothy B. Edrington, OD, MS, FAAO


1. Brazeau D. Fitting and Effective Power of Soft Lenses in Piggyback System. Global Specialty Lens Symposium presentation, 2009.




(p. 18) Dry Eye Dx and Tx: Nonobvious MGD—an Eniga No More, By Donald R. Korb, OD, & Caroline A. Blackie, OD, PhD


  1. Lemp MA, Baudouin C, Baun J, et al.  The definition and classification of dry eye disease: report of the Definition and Classification Subcommittee of the International Dry Eye WorkShop. Ocul Surf. 2007;5:75–92.
  2. Meibomian gland dysfunction (MGD) may be the leading cause of dry eye syndrome throughout the world. 3-30-10 TFOS Newsletter
  3. Korb DR, Henriquez AS. Meibomian gland dysfunction and contact lens intolerance. J Am Optom Assoc. 1980;51:243–251.
  4. Blackie CA, Korb DR, Knop E, Bedi R, Knop N, Holland EJ. Non-obvious Obstructive Meibomian Gland Dysfunction (NOMGD). In press. Cornea.
  5. Korb DR, Blackie CA. Meibomian Gland Diagnostic Expressibility: Correlation with Dry Eye Symptoms and Gland Location. Cornea. 2008 Dec;27(10):1142-7.




(p. 20) Modern Scleral Contact Lens Fitting, By Gregory W. DeNaeyer, OD, FAAO


1.  Sindt C.  Basic scleral lens fitting and design.  Contact Lens    Spectrum  2008;23(10):

2.  Visser ES, Visser R, Van Lier HJJ. Advantages of toric scleral lenses. Optom Vis Sci  2006;83:233-236.

3.  Visser ES, Visser R. Van Lier HFF, Otten HM. Modern scleral lenses part II: patient satisfaction. Eye & Contact Lens  2007 33(1):21-25.

4.  Kaufman H, Barron B, McDonald M. The Cornea. 2nd Ed. Butterworth-Heinemann 1998.

5.  DeNaeyer GW. Scleral lens fit & the conjunctiva. I-site Newsletter March 7, 2010.

6.  Worp Evd. Beyond the Cornea Part I. Global CONTACT February 2009, 42-45.

7.      Worp Evd. Beyond the Cornea Part II. Global CONTACT March 7, 2009, 28-30.

8.      Gemoules G. A novel method of fitting scleral lenses using high resolution optical coherence tomography. Eye & Contact Lens  2008;34(2):80-83.



(p. 26) Exploring Beyond the Corneal Borders, By Eef van der Worp, BOptom, PhD, FIACLE, FAAO, FBCLA; Tina Graf, BSc; & Patrick J. Caroline, FAAO


Borderie VM BP, Touzeau O, Allouch C, Boutboul S, Laroche L. Predicted long-term outcome of corneal transplantation. Ophthalmology 2009 2009;116:2354-60.

2.         Smiddy WE, Hamburg TR, Kracher GP, Stark WJ. Keratoconus. Contact lens or keratoplasty? Ophthalmology 1988;95:487-92.

3.         Pullum K. Scleral lenses. In: Clinical Contact Lens Practice. Philadelphia, USA: Lippincott, Williams and Wilson, 2005:629-48.

4.         Meier D. Das cornea-skleral-profil - ein kriterium individueller kontaktlinsenanpassung. Die Kontaktlinse 1992:4-11.

5.         Rott-Muff D, Keller U, Hausler M, Spinell M. Das cornea-skleral-profil und seine auswirkingen auf die form von weichlinsen. Die Kontaktlinse 2001:26-34.

6.         Bokern S, Hoppe M, Bandlitz S. Genauigkeit und Wiederholbarkeit bei der Klassifizierung des Corneo-Skleral-Profils. Die Kontaktlinse 2007:26-8.

7.         van der Worp E, Caroline P. European Techniques for Scleral Lens Fitting. In: Global Specialty Lens Symposium. Las Vegas; January 16, 2009.

8.         Visser ES, Visser R, Van Lier HJ. Advantages of toric scleral lenses. Optom Vis Sci 2006;83:233-6.



(p. 34) How Compliant are Today’s Lens Wearers, By Kathryn Dumbleton, MSc, MCOptom, FAAO, FBCLA; Craig Woods, PhD, MCOptom, FAAO; Lyndon Jones, PhD, FCOptom, FAAO; & Desmond Fonn, MOptom, FAAO



Anon (2009) Quick vote.

Chun, M. W. and Weissman, B. A. (1987) Compliance in contact lens care. Am J Optom Physiol Opt, 64 (4): 274-6.

Claydon, B. E. and Efron, N. (1994) Non-compliance in contact lens wear. Ophthalmic Physiol Opt, 14 (4): 356-64.

Collins, M. J. and Carney, L. G. (1986) Patient compliance and it's influence on contact lens wearing problems. Am J Optom Physiol Opt, 63 952 - 956.

Coopersmith, L. and Weinstock, F. J. (1997) Current recommendations and practice regarding soft lens replacement and disinfection. CLAO J, 23 (3): 172-6.

Dumbleton, K. and Jones, L. (2009) What contact lens materials are patients wearing? Contact Lens Spectrum, 24 (8): 21.

Dumbleton, K., Woods, C., Jones, L. and Fonn, D. (2010) Comfort and vision with silicone hydrogel lenses: Effects of compliance. Optom Vis Sci, In press.

Dumbleton, K., Woods, C., Jones, L., Fonn, D. and Sarwer, D. B. (2009) Patient and practitioner compliance with silicone hydrogel and daily disposable lens replacement in the United States. Eye Contact Lens, 35 (4): 164-71.

Jones, L., Dumbleton, K., Fonn, D. and Dillehay, S. (2002) Comfort and compliance with frequent replacement soft contact lenses. Optom Vis Sci, 79 (12s): 259.

Smith, S. K. (1996) Patient noncompliance with wearing and replacement schedules of disposable contact lenses. J Am Optom Assoc, 67 (3): 160-4.

Sokol, J. L., Mier, M. G., Bloom, S. and Asbell, P. A. (1990) A study of patient compliance in a contact lens-wearing population. Clao J, 16 (3): 209-13.

Yung, A. M., Boost, M. V., Cho, P. and Yap, M. (2007) The effect of a compliance enhancement strategy (self-review) on the level of lens care compliance and contamination of contact lenses and lens care accessories. Clin Exp Optom, 90 (3): 190-202.




(p. 38) Hybrid Lenses and Lens Care Systems, By Robert Davis, OD, FAAO, & S. Barry Eiden, OD, FAAO



1.      Weissman B. Correct Contact Lens Complications. Review of Optometry, 2004 ; 141:06, .

2.      Internal study. (Data provided by SynergEyes, inc).


(p. 50) Treatment Plan: Lacrimal System Infections, By William L. Miller, OD, PhD, FAAO


Zaldivar RA and Bradley EA Primary Canaliculitis. Ophthal Plast Reconstr Surg 25:481-484, 2009.



(p. 52) Reader and Industry Forum: A New Analogy to Help Increase Contact Lens Compliance, By Charles W. McMonnies, MSc


Cardona G, Llovet I. Compliance amongst contact lens wearers: comprehension skills and reinforcement with written instructions. Cont Lens Ant Eye 2004; 27:75-81.
Claydon BE, Efron N. Non-compliance in contact lens wear. Ophthal Physiol Opt 2007; 14: 356-364.

Keay L, Edwards K, Stapleton F. An evidence-based brochure to educate contact lens wearers about safe contact lens wear. Clin Exp Optom 2009; 92: 407-409.



(p. 56) Contact Lens Case Reports: Reverse geometry Lens Designs and Keratoconus, By Patrick J. Caroline, FAAO, & Mark P. André, FAAO


1.  M. Cristina Kenny, Donald J. Brown, Contact Lens & Anterior Eye 26 (2003) 139-146