Contact Lens Spectrum

November 2009

Document #168





(pp. 14) Research Review: Silicone Hydrogel Deposition, By Lyndon Jones, PhD, FCOptom, FAAO


1.         Cheung SW, Cho P, Chan B, Choy C, Ng V: A comparative study of biweekly disposable contact lenses: silicone hydrogel versus hydrogel. Clin Exp Optom 2007; 90;2: 124-31.

2.            Ghormley N, Jones L: Managing lipid deposition on silicone hydrogel lenses. Contact Lens Spectrum 2006; 21;1: 21.

3.         Jones L, Senchyna M, Glasier MA, Schickler J, Forbes I, Louie D, May C: Lysozyme and lipid deposition on silicone hydrogel contact lens materials. Eye Contact Lens 2003; 29;1 Suppl: S75-S79.

4.            Senchyna M, Jones L, Louie D, May C, Forbes I, Glasier MA: Quantitative and conformational characterization of lysozyme deposited on balafilcon and etafilcon contact lens materials. Curr Eye Res 2004; 28;1: 25-36.

5.            Subbaraman LN, Bayer S, Glasier MA, Lorentz H, Senchyna M, Jones L: Rewetting drops containing surface active agents improve the clinical performance of silicone hydrogel contact lenses. Optom Vis Sci 2006; 83;3: 143 -151.

6.         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.

7.            Subbaraman LN, Glasier MA, Senchyna M, Sheardown H, Jones L: Kinetics of in vitro lysozyme deposition on silicone hydrogel, PMMA, and FDA groups I, II, and IV contact lens materials. Curr Eye Res 2006; 31;10: 787-96.

8.         Chow LM, Subbaraman LN, Sheardown H, Jones L: Kinetics of in vitro lactoferrin deposition on silicone hydrogel and FDA group II and group IV hydrogel contact lens materials. J Biomater Sci Polym Ed 2009; 20;1: 71-82.

9.            Luensmann D, Glasier MA, Zhang F, Bantseev V, Simpson T, Jones L: Confocal microscopy and albumin penetration into contact lenses. Optom Vis Sci 2007; 84;9: 839-47.

10.            Luensmann D, Zhang F, Subbaraman LN, Sheardown H, Jones L: Location of lysozyme sorption to conventional and silicone hydrogel contact lenses using confocal microscopy. Curr Eye Res 2009; 34; 683 - 697.

11.            Bruinsma GM, van der Mei HC, Busscher HJ: Bacterial adhesion to surface hydrophilic and hydrophobic contact lenses. Biomaterials 2001; 22;24: 3217-24.

12.            McNally J, McKenney CD: A clinical look at a silicone hydrogel extended wear lens. Contact Lens Spectrum 2002; 17;1: 38 - 41.

13.       Zhang S, Borazjani RN, Salamone JC, Ahearn DG, Crow SA, Jr., Pierce GE: In vitro deposition of lysozyme on etafilcon A and balafilcon A hydrogel contact lenses: effects on adhesion and survival of Pseudomonas aeruginosa and Staphylococcus aureus. Cont Lens Anterior Eye 2005; 28;3: 113-9.

14.       Santos L, Rodrigues D, Lira M, Oliveira ME, Oliveira R, Vilar EY, Azeredo J: The influence of surface treatment on hydrophobicity, protein adsorption and microbial colonisation of silicone hydrogel contact lenses. Cont Lens Anterior Eye 2007; 30;3: 183-8.

15.            Subbaraman LN, Glasier MA, Senchyna M, Sheardown H, Jones L: Extraction efficiency of an extraction buffer used to quantify lysozyme deposition on conventional and silicone hydrogel contact lens materials. Eye Contact Lens 2007; 33;4: 169-173.

16.       Glasier MA, Keech A, Sheardown H, Subbaraman LN, Jones L: Conformational and quantitative characterization of lysozyme extracted from galyfilcon and senofilcon silicone hydrogel contact lenses. Curr Eye Res 2008; 33;1: 1-11.

17.       Green-Church KB, Nichols JJ: Mass spectrometry-based proteomic analyses of contact lens deposition. Mol Vis 2008; 14; 291-7.

18.       Boone A, Heynen M, Joyce E, Varikooty J, Jones L: Ex vivo protein deposition on bi-weekly silicone hydrogel contact lenses. Optom Vis Sci 2009.

19.            Subbaraman LN, Glasier MA, Sheardown H, Jones L: Efficacy of an extraction solvent used to quantify albumin deposition on hydrogel contact lens materials. Eye Contact Lens 2009; 35;2: 76-80.

20.            Subbaraman LN, Woods J, Teichroeb JH, Jones L: Protein deposition on a lathe-cut silicone hydrogel contact lens material. Optom Vis Sci 2009; 86;3: 244-50.

21.       Emch AJ, Nichols JJ: Proteins identified from care solution extractions of silicone hydrogels. Optom Vis Sci 2009.

22.       Pucker AD, Nichols JJ: Impact of a rinse step on protein removal from silicone hydrogel contact lenses. Optom Vis Sci 2009; 86;8: 943-7.

23.       Zhao Z, Carnt NA, Aliwarga Y, Wei X, Naduvilath T, Garrett Q, Korth J, Willcox MD: Care regimen and lens material influence on silicone hydrogel contact lens deposition. Optom Vis Sci 2009; 86;3: 251-9.

24.       Zhao Z, Wei X, Aliwarga Y, Carnt NA, Garrett Q, Willcox MD: Proteomic analysis of protein deposits on worn daily wear silicone hydrogel contact lenses. Mol Vis 2008; 14; 2016-24.

25.       Jones L, Evans K, Sariri R, Franklin V, Tighe B: Lipid and protein deposition of N-vinyl pyrrolidone-containing group II and group IV frequent replacement contact lenses. CLAO J 1997; 23;2: 122-6.

26.       Tighe BJ, Jones L, Evans K, Franklin V: Patient-dependent and material-dependent factors in contact lens deposition processes. Adv Exp Med Biol 1998; 438; 745-51.

27.       Jones L, Mann A, Evans K, Franklin V, Tighe B: An in vivo comparison of the kinetics of protein and lipid deposition on group II and group IV frequent-replacement contact lenses. Optom Vis Sci 2000; 77;10: 503-10.

28.       Maissa C, Franklin V, Guillon M, Tighe B: Influence of contact lens material surface characteristics and replacement frequency on protein and lipid deposition. Optom Vis Sci 1998; 75;9: 697-705.

29.            Bontempo AR, Rapp J: Lipid deposits on hydrophilic and rigid gas permeable contact lenses. CLAO J 1994; 20;4: 242-5.

30.       Huth S, Wagner H: Identification and removal of deposits on polydimethylsiloxane silicone elastomer lenses. Int Contact Lens Clin 1981; 8;7/8: 19-26.

31.       Nichols JJ: Deposition rates and lens care influence on galyfilcon A silicone hydrogel lenses. Optom Vis Sci 2006; 83;10: 751-7.

32.       Lorentz H, Rogers R, Jones L: The impact of lipid on contact angle wettability. Optom Vis Sci 2007; 84;10: 946-53.

33.       Lira M, Santos L, Azeredo J, Franco S, Yebra-Pimentel E: Changes in pre-lens tear film stability and hydrophobicity after contact lens wear. Contact Lens And Anterior Eye 2009; 32;5: 238.

34.       Carney FP, Nash WL, Sentell KB: The adsorption of major tear film lipids in vitro to various silicone hydrogels over time. Invest Ophthalmol Vis Sci 2008; 49;1: 120-4.

35.       Iwata M, Ohno S, Kawai T, Ichijima H, Cavanagh HD: In vitro evaluation of lipids adsorbed on silicone hydrogel contact lenses using a new gas chromatography/mass spectrometry analytical method. Eye Contact Lens 2008; 34;5: 272-80.

36.       Maziarz EP, Stachowski MJ, Liu XM, Mosack L, Davis A, Musante C, Heckathorn D: Lipid deposition on silicone hydrogel lenses, part I: quantification of oleic acid, oleic acid methyl ester, and cholesterol. Eye Contact Lens 2006; 32;6: 300-7.

37.       Heynen M, Lorentz H, Dumbleton K, Varikooty J, Woods C, Jones L: Lipid deposition on senofilcon A silicone hydrogel contact lenses disinfected with 1-step hydrogen peroxide and polyquad®/aldox® preserved care regimens. ARVO abstracts 2009; E-abstract 5660.




(p. 20) Dry Eye Dx and Tx: Effects from Antipsychotic and Antidepressant Medications, By William Townsend, OD, FAAO



Lider C, Tulin K, et al.  Disappointment of patients on antidepressant therapy after excimer laser treatment J Cataract Refract Surg 2006; 32:1775–1776


Chia M, Mitchell P, et al. Prevalence and associations of dry eye syndrome in an older population: the Blue Mountains Eye Study. Clinical and Experimental Ophthalmology 2003; 31: 229–232


Schaumberg DA, Dana R, et al. Prevalence of Dry Eye Disease Among US Men: Estimates From the Physicians’ Health Studies. Arch Ophthalmol. 2009;127(6):763-768


Lieberman JA. Managing Anticholinergic Side Effects. Prim Care Companion J Clin Psychiatry 2004;6[suppl 2]:20–23)




(p. 22) Clues to Contact Lens Care Noncompliance, By Susan Kovacich, OD, FAAO


[1] Morgan PB, Efron N, et al. Incidence of keratitis of varying severity among contact lens wearers. Br J Ophthalmol 2005; 89,4: 430-436.

2 Collins MJ, Carney LG.  Patient compliance and its influence on contact lens wearing problems. Am J Optom Physiol Opt l986; 63:952-956




(p. 26) No-Fee CE: Understanding Microbiology and Contact Lens Solutions, By William J. Gleason, OD


1. Efron N. The truth about compliance. Contact Lens and Anterior Eye. 2004;20:79-86.


(p. 33) Overcoming the Presbyopia Problem, By Marty Carroll, OD, FAAO, & Josh LaHiff


1.      Multi-sponsor Survey's 2008 Gallup Study of the Consumer Contact Lens Market, 2008.

2.      Pritchard N, Fonn D, Brazeau D. Discontinuation of contact lens wear: a survey. Int Contact Lens Clin 1999;26:157–62.

3.      Schlanger JL. A study of contact lens failures. J Am Optom Assoc. 1993;64:220-4.

4.      Richdale K, Sinnott TL, Skadahl E, Nichols JJ. Frequency of and factors associated with contact lens dissatisfaction and discontinuation. Cornea 2007;26:168–74.

5.      Gupta N, Naroo SA, Wolffsohn JS. Visual comparison of multifocal contact lens to monovision. Optom Vis Sci 2009; Jan 19. [Epub ahead of print].

6.      Data on file, Vistakon.





(p. 38) Fitting Contact Lenses Post-LASIK, By Jessica O. Yu, OD


1.     Rad AS, Jabbarvand M, Saifi N. Progressive keratectasia after laser in situ keratomileusis. J Refract Surg 2004; 20(supp):S718-22.

2.     Tabbara KF, Kotb A. Risk factors for corneal ectasia after LASIK. Ophthalmology 2006; 113, 1618-1622.

3.     Randleman JB, Russell B, et al. Risk factors and prognosis for corneal ectasia after LASIK. Ophthalmology 2003; 110: 267-75.

4.     Binder, PS. Analysis of ectasia after laser in situ keratomileusis: risk factors. J Cataract Refract Surg 2007; 33: 1530-38.

5.     Yeung KK, et al. Complexity of Contact lens fitting after refractive surgery. American J of Ophthalmology 2002; 133: 607-12.

6.     Eggink FA, Beekhuis WH. Contact lens fitting in a patient with keratectasia after laser in situ keratomileusis. J Cataract Refract Surg 2001; 27: 1119-23.

7.     Alio JL, Belda JI, et al. Contact lens fitting to correct irregular astigmatism after corneal refractive surgery. J Cataract Refract Surg 2002; 28: 1750-57.

8.     Steele C, Davidson J. Contact lens fitting post-laser-in situ keratomileusis (LASIK). Contact Lens & Anterior Eye 30 (2007): 84-93.

9.     Jabbur NS, Sakatani K, O’Brien TP. Survey of complications and recommendations for management in dissatisfied patients seeking a consultation after refractive surgery. J Cataract Refract Surg 2004; 30: 1867-74.

10.                        Hashemi H, Mehravaran S. Corneal changes after laser refractive surgery for myopia: comparison of Orbscan II and Pentacam findings. J Cataract Refract Surg 2007; 33: 841-47.

11.                        Ciolino JB, Belin MW. Changes in the posterior cornea after laser in situ keratomileusis and photorefractive keratectomy. J Cataract Refract Surg 2006; 32: 1426-31.

12.                        Choi HJ, Kim MK, Lee JL. Optimization of contact lens fitting in keratectasia patients after laser in situ keratomileusis. J Cataract Refract Surg 2004; 30: 1057-66.

13.                        Comaish IF, Lawless MA. Progressive post-LASIK keratectasia: biomechanical instability or chronic disease process?. J Cataract Refract Surg 2002; 28: 2206-2213.

14.                        Tan BU, Purcell TL, Torres LF, & Schanzlin DJ. New surgical approaches to the management of keratoconus and post-LASIK ectasia. Trans Am Ophthalmol Soc 2006; 104: 212-20.

15.                        Goldberg, DB. Laser in situ keratomileusis monovision. J Cataract Refract Surg 2001; 27: 1449-55.

16.                        Braun EH, Lee J, Steinert RF. Monovision in LASIK. Ophthalmology 2007; xx:xxx.

17.                        Binder PS. One thousand consecutive IntraLase laser in situ keratomileusis flaps. J Cataract Refract Surg 2006; 32: 962-69.

18.                        Kim JH, Lee D, and Rhee KI. Flap thickness reproducibility in laser in situ keratomileusis with a femtosecond laser: Optical coherence tomography measurement. J Cataract Refract Surg 2008; 34: 132-36.

19.                        Hashemi H, Mehravaran S. Central corneal thickness measurement with Pencatam, Orbscan II, and ultrasound devices before and after laser refractive surgery for myopia. J Cataract Refract Surg 2007; 33:1701-07.

20.                        UltraVision CLPL. United Kingdom, 2008.

21.                        Jack Allen Contact Lenses. United Kingdom, 2008.

22.                        Ho JD, Tsai CY, et al. Validity of the keratometric index: Evaluation by the Pentacam rotating Scheimpflug camera. J Cataract Refract Surg 2008; 34: 137-45.

23.                        Hafezi F, Kanellopoulos J, Wiltfang R, and Seiler T. Corneal collagen crosslinking with riboflavin and ultraviolet A to treat induced keratectasia after laser in situ keratomileusis. J Cataract Refract Surg 2007; 33: 2035-40.

24.                        Schallhorn SC, Amesbury EC, and Tanzer DJ. Avoidance, recognition, and management of LASIK complications. Am J Ophthalmol 2006; 141: 733-39.

25.                        Kymionis GD, et al. Long-term results of thin corneas after refractive laser surgery. Am J Ophthalmol 2007; 144: 181-85.

26.                        Salz JJ and Binder PS. Is there a “magic number” to reduce the risk of ectasia after laser in situ keratomileusis and photorefractive keratectomy?. Am J Ophthalmol 2007; 144: 284-5.

27.                        Binder PS and Rosenshein J. Retrospective comparison of 3 laser platforms to correct myopic spheres and spherocylinders using conventional and wavefront-guided treatments. J Cataract Refract Surg 2007; 33: 1158-76.

28.                        Bababeygy SR, Zoumalan CI, and Manche EE. Visual outcomes of wavefront-guided laser in situ keratomileusis in eyes with moderate or high myopia and compound myopic astigmatism. J Cataract Refract Surg 2008; 34: 21-27.

29.                        Wilson SE. Long-term outcomes after photorefractive keratectomy. Ophthalmology 2006; 113: 1693-94.

30.                        Schallhorn SC, et al. Pupil size and quality of vision after LASIK. Ophthalmology 2003; 110: 1606-14.

31.                        Thornton I, Xu M, Krueger RR. Comparison of standard (0.02%) and low dose (0.002%) mitomycin C in the prevention of corneal haze following surface ablation for myopia. J Refract Surg. 2008; 24: S68-76.

32.                        Krueger RR, Trattler W, Yee R. Introduction to the proceedings of the sixth international congress on advanced surface ablation & SBK. J Refract Surg. 2008; 24: S55-56.

33.                        Dawson DG, Grossniklaus HE, McCarey BE, and Edelhauser HF. Biomechanical and wound healing characteristics of corneas after excimer laser keratorefractive surgery: Is there a difference between advanced surface ablation and sub-Bowman’s keratomileusis? J Refract Surg. 2008; 24: S90-96.

34.                        SynergEyes®, Inc. California, US, 2008.

35.                        GPLI Online. CLMA, US, 1999-2008.

36.                        Cornea Clinic. Eye Department, Apollo Hospitals, India.

37.                        Red Atlas. Copyright © 2002.

38.                        Edward S. Harkness Eye Institute: Digital Reference of Ophthalmology. Copyright © 2003.

39.                        Rose K International Limited. Copyright© 2007.

40.                        Lens Dynamics, Inc. Updated February 19, 2008.

Molecular Vision Web Journal. © 1994-2008.



(p. 48) Pediatric and Teen CL Care, By Jeffrey J. Walline, OD, PhD, & Marjorie J. Rah, OD, PhD


1.   Walline JJ, Rah MJ, Jones LA. The Children's Overnight Orthokeratology Investigation (COOKI) pilot study. Optom Vis Sci 2004;81:407-13.

2.   Walline JJ, Jones LA, Sinnott L, Chitkara M, Coffey B, Jackson JM, Manny RE, Rah MJ, Prinstein MJ. Randomized trial of the effect of contact lens wear on self-perception in children. Optom Vis Sci 2009;86:222-32.

3.   Walline JJ, Jones LA, Mutti DO, Zadnik K. A randomized trial of the effects of rigid contact lenses on myopia progression. Arch Ophthalmol 2004;122:1760-6.

4.   Horner DG, Soni PS, Salmon TO, Swartz TS. Myopia progression in adolescent wearers of soft contact lenses and spectacles. Optom Vis Sci 1999;76:474-9.

5.   Lu F, Jiang J, Qu J, Jin W, Mao X, Shen Y. Clinical study of orthokeratology in young myopic adolescents. International Contact Lens Clinic 1999;26:113-6.

6.   Cho P, Cheung SW, Edwards M. The longitudinal orthokeratology research in children (LORIC) in Hong Kong: a pilot study on refractive changes and myopic control. Curr Eye Res 2005;30:71-80.

7.   Katz J, Schein OD, Levy B, Cruiscullo T, Saw SM, Rajan U, Chan TK, Yew Khoo C, Chew SJ. A randomized trial of rigid gas permeable contact lenses to reduce progression of children's myopia. Am J Ophthalmol 2003;136:82-90.

8.   Soni PS, Horner DG, Jimenez L, Ross J, Rounds J. Will young children comply and follow instructions to successfully wear soft contact lenses? Clao J 1995;21:86-92.

9.   Walline JJ, Jones LA, Sinnott LT. Corneal reshaping and myopia progression. Br J Ophthalmol 2009;93:1181-5.

10. Walline JJ, Jones LA, Mutti DO, Zadnik K. Use of a run-in period to decrease loss to follow-up in the Contact Lens and Myopia Progression (CLAMP) study. Control Clin Trials 2003;24:711-8.

11.       Walline JJ, Jones LA, Rah MJ, Manny RE, Berntsen DA, Chitkara M, Gaume A, Kim A, Quinn N. Contact Lenses in Pediatrics (CLIP) Study: chair time and ocular health. Optom Vis Sci 2007;84:896-902.