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References

Do soft lens materials present a higher risk of acanthamoeba infection to contact lens wearers compared to rigid lens materials?

By Frances Stoker BSc Ophthalmic Dispensing

This article appears in the June 2022 edition of Re: View magazine.

References

Beattie T K et al. 2003. Enhanced attachment of acanthamoeba to extended-wear silicone hydrogel contact lenses: a new risk factor for infection? Ophthalmology, 110(4), pp 765-771.

Bostrom M and O’Keefe R. 2008. What experimental approaches (eg, in vivo, in vitro, tissue retrieval) are effective in investigating the biologic effects of particles? Journal of the American Academy of Orthopaedic Surgeons, volume 16, pp 63-67.

Carnt N et al. 2018. Acanthamoeba keratitis: confirmation of the UK outbreak and a prospective case-control study identifying contributing risk factors. British Journal of Ophthalmology, volume 102, pp 1621-1628.

Chin J, Young A L, Hui M and Jhanji V. 2015. Acanthamoeba keratitis: 10-year study at a tertiary eye care center in Hong Kong. Contact Lens and Anterior Eye, 38(2), pp 99-103.

Dutta D, Cole N and Willcox M. 2012. Factors influencing bacterial adhesion to contact lenses. Molecular Vision, volume 18, pp 14-21.

Efron N, Nichols J J, Woods C A and Morgan P B. 2015. Trends in US contact lens prescribing 2002 to 2014. Optometry and Vision Science, 92(7), pp 758-767.

Gomes de Lacerda A and Lira M. 2021. Acanthamoeba keratitis: a review of biology, pathophysiology and epidemiology. Ophthalmic & Physiological Optics, 41(1), pp 116-135.

Gray T B, Cursons R T, Sherwan J F and Rose P R. 1995. Acanthamoeba, bacterial, and fungal contamination of contact lens storage cases. British Journal of Ophthalmology, 79(6), pp  601-605.

Hendiger E B et al. 2020. Silver nanoparticles as a novel potential preventive agent against acanthamoeba keratitis. Pathogens, 9(350).

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Ibrahim Y W, Boase D L and Cree I A. 2009. How could contact lens wearers be at risk of acanthamoeba infection? A review. Journal of Optometry, 2(2), pp 60-66.

Kelly L D, Long D and Mitra D. 1995. Quantitative comparison of acanthamoeba castellanii adherence to rigid versus soft contact lenses. The CLAO Journal, 21(2), pp 11-113.

Kilvington S and Larkin D F P. 1990. Acanthamoeba adherence to contact lenses and removal by cleaning agents. Eye, volume 4, pp 589-593.

Lee G-H, Yu H-S and Lee J-E. 2016. Effects of multipurpose solutions on the adhesion of acanthamoeba to rigid gas permeable contact lenses. Ophthalmic & Physiological Optics, 36(2), pp 93-99.

Lee  S-M, Lee J-E, Lee D-I and Yu H-S. 2018. Adhesion of acanthamoeba on cosmetic contact lenses. Journal of Korean Medical Science, 33(4).

Lema I, Rodriguez-Ares T M, Gomez-Torreiro M and Penalver D M. 2001. Adherence of acanthamoeba to unworn conventional and disposable soft contact lenses. Cornea, 20(6), pp 635-638.

Lira M et al. 2008. Comparative study of silicone‐hydrogel contact lenses surfaces before and after wear using atomic force microscopy. Journal of Biomedical Materials Research, 85B(2), pp 361-367.

Lorenzo-Morales J et al. 2013. Acanthamoeba keratitis: an emerging disease gathering importance worldwide? Trends in Parasitology, 29(4), pp 181-187.

Omaña-Molina M et al. 2014. Silicone hydrogel contact lenses surface promote acanthamoeba castellanii trophozoites adherence: qualitative and quantitative analysis. Eye & Contact Lens Science and Clinical Practice, 40(3), pp 132-139.

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Reverey J F, Fromme R, Leippe M and Selhuber-Unkel C. 2014. In vitro adhesion of acanthamoeba castellanii to soft contact lenses depends on water content and disinfection procedure. Contact Lens and Anterior Eye, 37(4), pp 262-266.

Seal D V et al. 1995. Differential adherence of acanthamoeba to contact lenses: effects of material characteristics. Optometry and Vision Science, 72(1), pp 23-28.

Sharma S, Ramachandran L and Rao G N. 1995. Adherence of cysts and trophozoites of acanthamoeba to unworn rigid gas permeable and soft contact lenses. The CLAO Journal, 21(4), pp 247-251.

Siddiqui R and Khan N A. 2012. Biology and pathogenesis of acanthamoeba. Parasites & Vectors, 5(6).

Simmons P A, Tomlinson A and Seal D V. 1998. The Role of pseudomonas aeruginosa biofilm in the attachment of acanthamoeba to four types of hydrogel contact lens materials. Optometry and Vision Science, 75(12), pp 860-866.

Smith V, Devane D, Begley C M and Clarke M. 2011. Methodology in conducting a systematic review of systematic reviews of healthcare interventions. BMC Medical Research Methodology, 11(15).

Stephen C, Musgrave A and Fang F. 2019. Contact lens materials: a materials science perspective. Materials, 12(2), p 261.

Szentmary N et al. 2019. Acanthamoeba keratitis – clinical signs, differential diagnosis and treatment. Journal of Current Ophthalmology, 31(1), pp 16-23.

Watson R. 2015. Quantitative research. Nursing Standard, 29(31), pp 44-48.

Yoshii A et al. 2009. Analysis of the reporting of search strategies in Cochrane systematic reviews. Journal of the Medical Library Association, 97(1), pp 21-29.

 

How does the use of ocular cosmetics affect the anterior eye? 

By Kathryn Chidwick BSc Ophthalmic Dispensing

This article appears in the December 2021 edition of Re: View magazine.

REFERENCES

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BioPortfolio 2020. Global cosmetics products market – segmented by product type (hair care products, skin care products, oral care products, colour cosmetic products), distribution channel (direct selling, supermarkets, specialty stores) and region – growth, trends and forecasts (2018-2023). Mordor Intelligence LLC, pp 3.

Buckley R. 2012. Time to wake up to make-up. Ophthalmic and Physiological Optics, 32(6), pp 443-445.

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Coroneo M, Rosenberg M and Cheung L. 2006. Ocular effects of cosmetic products and procedures. The ocular surface, 4(2), pp 94-102.

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Coroneo M, Rosenberg M and Cheung L. 2006. Ocular effects of cosmetic products and procedures. The Ocular Surface, 4(2), pp 94-102.

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Coughlan M, Cronin P and Ryan F. 2007. Step-by-step guide to critiquing research. part 2: qualitative research. British Journal of Nursing, 16(12), pp 738-744.

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Goto T, Zheng X, Gibbon L and Ohashi Y. 2010. Cosmetic product migration onto the ocular surface: exacerbation of migration after eyedrop instillation. Cornea, 29(4), pp 400-403.

Ibrahim N, Seraj H, Khan R, Baabdullah M and Reda L. 2018. Prevalence, habits and outcomes of using contact lenses among medical students. Pakistan Journal of Medical Sciences 34(6).

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Kwa M, Welty L and Xu S. 2017. Adverse events reported to the us food and drug administration for cosmetics and personal care products. JAMA Internal Medicine  177(8), p 1202.

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Lievens C, Cilimberg K and Moore A. 2017. Contact lens care tips for patients: an optometrist’s perspective. Clinical Optometry 9(1), pp 113-121.

Loretz L, Api A, Babcock L, Barraj L, Burdick J, Cater K, Jarrett G, Mann S, Pan Y, Re T, Renskers K and Scrafford C. 2008. Exposure data for cosmetic products: facial cleanser, hair conditioner and eye shadow. Food and Chemical Toxicology  46(5), pp 1516-1524.

Lundov M and Zachariae C. 2008. Recalls of microbiologically contaminated cosmetics in EU from 2005 to May 2008. International Journal of Cosmetic Science  30(6), pp 471-474.

Manzouri B, Wyse R and Vafidis, G. 2001. Pharmacotherapy of fungal eye infections. Expert Opinion on Pharmacotherapy, 2(11), pp 1849-1857.

McCusker K and Gunaydin S. 2014. Research using qualitative, quantitative or mixed methods and choice based on the research. Perfusion, 30(7), pp 537-542.

Ng A, Evans K, North R and Purslow C. 2012. Eye cosmetic usage and associated ocular comfort. Ophthalmic and Physiological Optics, 32(6), pp 501-507.

Ng A, Evans K, North R and Purslow C. 2015. Migration of cosmetic products into the tear film. Eye & Contact Lens: Science & Clinical Practice, 41(5), pp 304-309.

Pack L, Wickham M, Enloe R and Hill D. 2008. Microbial contamination associated with mascara use. Optometry – Journal of the American Optometric Association, 79(10), pp 587-593.

O’Callaghan R. 2018. The pathogenesis of staphylococcus aureus eye infections. Pathogens, 7(1), pp 9.

Park M, Kim S, Ku B and Kim S. 2013. Comparisons of the change in soft contact lenses parameters and the cleaning efficiency after eyeliner deposition. Journal of Korean Ophthalmic Optics Society, 18(2), pp 107-115.

Petrosyan T. 2018. Cosmetics and the eye: how your beauty products could be harming your eyes. (online) American Optometric Association.  Available from https://www.aoa.org/Documents/CPC%20SUBMISSION%20%20Cosmetics%20and%20the%20Eye%20How%20Your%20Beauty%20Products%20Could%20Be%20Harming%20Your%20Eyes.pdf (accessed 25 April 2020).

Robaei D. 2018. Subconjunctival mascara deposition. Ophthalmology, 125(5), pp 641.

Sedgwick P and Greenwood N. 2015. Understanding the Hawthorne effect. BMJ, 351(1), pp 4672.

Skowron K, Jakubicz A, Budzynska A, Kaczmarek A, Grudlewska K, Reslinski A  and Gospodarek-Komkowska E. 2017. Microbiological purity assessment of cosmetics used by one and several persons and cosmetics after their expiry date.  Roczniki Państwowego Zakładu Higieny, 68(2), pp 191-197.

Tavazzi S, Rossi A, Picarazzi S, Ascagni M, Farris S and Borghesi A. 2017  Polymer-interaction driven diffusion of eyeshadow in soft contact lenses. Contact Lens and Anterior Eye, 40(5), pp 335-339.

Truong S, Cole N, Stapleton F and Golebiowski B. 2014. Sex hormones and the dry eye. Clinical and Experimental Optometry, 97(1), pp 324-336.

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Wang M and Craig J. 2018. Investigating the effect of eye cosmetics on the tear film: current insights. Clinical Optometry, 10(1), pp 33-40.

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YouGov, 2018. GB Sample: 19Th – 21St December 2018. Makeup Usage – Internal

 

The effectiveness of orthkeratology as a method of myopia control by Timothy Nicholson BSc(Hons) FBDO

This article appears in the July 2021 edition of Re: View magazine.

REFERENCES

Aagard T, Lund H and Juhl C. 2016. Optimizing literature search in systematic reviews – are MEDLINE, EMBASE and CENTRAL enough for identifying effect studies within the area of musculoskeletal disorders?’, BMC Medical Research Methodology 16, pp 161.

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Armengol J. Faria-Ribeiro M, Gonzalez-Meijome J, Quevedo L, Morales H, Paune J. 2015. Myopia control with a novel peripheral gradient soft lens and rrthokeratology: a 2-year clinical trial. BioMed Research International: 507572.

Bao F, Calossi A, Chen H, Huang J, Li X, Savini G, Wang Q, Wen D. 2015). Efficacy and acceptability of orthokeratology for slowing myopic progression in children: a systematic review and meta-analysis. Journal of Opthalmology 2015, pp 17-243.

Bangdiwala S. 2016. Understanding significance and p-values. Nepal Journal of Epidemiology 6(1), pp 533-534.

Barde M, Barde P. 2012. What to use to express the variability of data: standard deviation or standard error of mean? Perspectives in Clinical Research, 3(3), pp 113-116.

Bhandari M, Petrisor B. 2007. The hierarchy of evidence: levels and grades of recommendation. Indian Journal of Orthopaedics 41(1), pp 11-15.

Bi H, Guo D, Guo J, Si J, Tang K, Wang X. 2015. Orthokeratology for myopia control: a meta-analysis. Optometry and Vision Science 92, pp 252-257.

Blettner M, Du Prel J, Rohrig B. 2009. Critical appraisal of scientific articles; part 1 of a series on evaluation of scientific publications. Deutsches Arzteblatt International 106(7), pp 100-105.

Cavaleri M, Green C, Onwuegbuzie A, Wisdom J. 2012. Methodological reporting in qualitative, quantitative and mixed methods health services research articles. Health Services Research 47(2), pp 721-745.

Chen L, Huang Y, Lin H, Tsai A, Tsai F, Tsai Y, Wan, L. 2014. Overnight orthokeratology is comparable with atropine in controlling myopia. BMC Ophthalmology 14, pp 40.

Chiu C, Lee Y, Wang J. 2017. Effect of orthokeratology on myopia progression: twelve-year results of a retrospective cohort study. BMC Ophthalmology 17, pp 242-248.

Charm J, Cho P. 2013. High myopia-partial reduction ortho-K: a 2-year randomized study. Optometry and Vision Science 90(6), pp 530-539.

Cho P, Tan Q. 2018. Myopia and orthokeratology for myopia control. Clinical and Experimental Optometry doi:10.1111/cxo.12839.

Cohen H. 2011. P values: use and misuse in medical literature. American Journal of Hypertension 24(1), pp 18-23.

Concato J, Horwitz R, Shah N. 2000. Randomized, controlled trials, observational studies, and the hierarchy of research designs. The New England Journal of Medicine 342(25), pp 1887-1892.

Cooper J, Tkatchenko A. 2018. A review of current concepts of the etiology and treatment of myopia. Eye and Contact Lens: Science and Clinical Practice 44(4), pp 231-247.

Cotter S, Lindsley K, Mutti D, Twelker J, Vedula S, Walline J. 2011. Interventions to slow progression of myopia in children. Cochrane Database Systematic Review: CD004916 10.1002/14651858.

Cottrell S. 2013. The Study Skills Handbook, 4th Edn. New York, USA; Palgrave Macmillan.

De Jong P. 2018. Myopia: its historical contexts. British Journal of Ophthalmology 102(8), pp 1021-1027.

Dhawan I, Grewal A, Kataria H. 2016. Literature search for research planning and identification of research problem. Indian Journal of Anaesthesia 60(9), pp 635-639.

Haynes B, Wilczynski N. 2004. Optimal search strategies for retrieving scientifically strong studies of diagnosis from Medline: analytical survey. British Medical Journal 328, pp 1040.

Hek G and Moule P. 2006. Making sense of research. An introduction for health and social care practitioners. London: Sage Publications.

Hoang Q, Matsumura S, Seang-Mei S. 2019. Prevention and management of myopia and myopic pathology. Investigative Ophthalmology & Visual Science (60), pp 488-499.

Herkner H, Mesgarpour B, Muller M. 2012. Search strategies to identify reports on “off-label” drug use in EMBASE. Biomedical Reesearch Methodology 2012;12, pp  190.

Horvat M, Milanric A, Smolcic V. 2017. Dealing with the positive publication bias: why you should really publish your negative results. Biochemica Medica 27(3): 030201.

Jayatilleke N, Mackie A. 2013. Reflection as part of continuous professional development for public health professionals: a literature review. Journal of Public Health, 35(2), pp 308-312.

Jones L, Mutti D, Walline J, Zadnik K. 2004. A randomized trial of the effects of rigid contact lenses on myopia progression. Archives Ophthalmology 122, pp 1760-1766.

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Liu M, Liu Q, Sun Y, Xu F, Wang D, Zhang T. 2015. Orthokeratology to control myopia progression: a meta-analysis. PLoS ONE 10(4); e0124535.

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British Journal of Nursing 17(11), pp 720-724.

The effects of coloured overlays/tints on the visual function of patients with age-related macular degeneration

By Nicola Hunt BSc(Hons) FBDO

References

Aveyard H and Sharp P. 2009. A beginners guide to evidence-based practice in health and social care. Berkshire Open University Press p.25/p.67.

Bailie M et al. 2013. Functional and perceived benefits of wearing coloured filters by patients with age-related macular degeneration. Clinical and Experimental Optometry.

Beatty J and Lucero-Wagoner. 2000. Handbook of Psychophysiology.

Bourne R R A et al. Magnitude, temporal trends and projections of the global prevalence of blindness and distance and near vision impairment: a systematic review and meta-analysis. The Lancet Global Health Vol 5.

Bowers A R et al. 2001. Illumination and reading performance in age-related macular degeneration. Clinical and Experimental Optometry (81)3.

Colijn J M. 2017. Prevalence of age-related macular degeneration in Europe. American Academy of Ophthalmology. Available from http://dx.doi.org/10.1016/j.ophtha.2017.05.035.

Cotrell S. 2013. The Study Skills of Handbook 4th Edn London Palgrave Macmillan p.160.

Eperjesi F, Fowler C W and Evans B J W. 2004. Effect of light filters on reading speed in normal and low vision due to age related macular degeneration. Ophthalmic and Physiological Optics 24(1):17-25. doi: 10.1046/j.1475-1313.2003.00157.x

Eperjesi F, Fowler C W and Evans B J W. 2002. Do tinted lenses or filters improve visual performance in low vision? A review of the literature. Ophthalmic and Physiological Optics 22:68-77.

Eperjesi F, Fowler C W and Evans B J W. 2004. The effects of coloured light filter overlays on reading rates in age related macular degeneration. Acta Ophthalmologica Scandinavica 82:695-700.

Flaxman S R et al. Global causes of blindness and distance vision impairment 1990-2020: A systematic review. Canadian Ophthalmological Society. doi: 10.3129/i08-001.

Jailie M. 2000. Ophthalmic Lenses and Dispensing. London Butterworth Heinemann p.84.

Jesson J K, Matheson L and Lacey F M. 2011. Doing Your Literature Review Traditional and Systematic Techniques London Sage p.67/P.130.

Kanski J J. 2007. Clinical Ophthalmology: A Systematic Approach. Butterworth Heinemann Elsevier 6th Edn.

Markowitz et a. 2018. Rehabilitation of reading skills in patients with age-related macular degeneration. Canadian Ophthalmological Society (53)1. Available from  https://doi.org/10.1016/s1532-3382(01)70024-3.

Pipe D M and Rapley L J. 2002. Abnormal Ocular Conditions. ABDO p.59.

Rozenblaum et al. 2000. Spectral filters in low-vision correction. Ophthalmic and Physiological Optics (20)4 p.335-341.

Silvestri G. 2007. Visual Impairment in the Elderly Low Vision Manual.

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Wolffsohn J S, Dinardo C and Vingrys A J. 2002. Benefit of coloured lenses for age-related macular degeneration. Ophthalmic and Physiological Optics 22:300-311.

 

 

Study advice

So, you don’t think you have any low vision patients in your practice?

By Gillian Smith, BSc(Hons) FBDO (Hons) SLD (Hons) LVA Cert Ed

References

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Association of British Dispensing Opticians. 2017. Diploma in Ophthalmic Dispensing Syllabus. 2015.

Association of British Dispensing Opticians. 2018. Level 6 Diploma in Ophthalmic Dispensing. 2015. Guidance for students.

Sinclair A and Ryan B. No date. Low vision the essential guide for ophthalmologists. The Guide Dogs for the Blind Association.

LOCSU. June 2017. Low vision, habilitation and rehabilitation framework for adults and children. Available from https://www.locsu.co.uk/wpcontent/uploads/Files/Members_Area/Clinical_Pathways/Low_Vision/Low-vision-habilitation-and-rehabilitation-framework-for-adults-and-children-2.pdf (accessed 30 July 2019.

Vision UK. November 2018. Key facts about vision impairment in children and young people. Available from https://www.visionuk.org.uk/download/Sight-loss-statistics-for-CYP-2018-FINAL.pdf. (accessed 30 July 2019).

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Pollard T L, Simpson J A, Lamoureux E L, Keeffe J E. 2003. Barriers to accessing low vision services. Ophthalmic and Physiological Optics 2003 volume 23, issue 4. Available from https://doi.org/10.1046/j.1475-1313.2003.00123.x

Bowling B. 2016. Kanski’s Clinical Ophthalmology a Systematic Approach. 8th edn. Elsevier Saunders.

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