Uncorrected Refractive Error in Presbyopes

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Uncorrected refractive error in presbyopes pose a significant problem. We hereby publish our results of screening of 100 presbyopes in which 47% were found to have uncorrected refractive error.

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Uncorrected Refractive Error in Presbyopes

  1. 1. FREE PAPER – KSOC 2009 Uncorrected Refractive Errors in Presbyopes attending medical college Eye OPD Presenting Author : Dr. Ankit Punjabi (D.O.M.S. 2nd yr) Co-Authors : •Dr. N.V.V. Himamshu (Prof & Head) •Dr. H.N. Sowbhagya (Professor) •Dr. Mrinmayee Ghatak (D.O.M.S. 2nd yr) Department of Ophthalmology, Kempegowda Inst. of Med. Sciences Bangalore
  2. 2. OBJECTIVE • To find out the prevalence of uncorrected refractive errors in presbyopes attending Eye OPD in medical college in Bangalore
  3. 3. • Uncorrected refractive error in presbyopes is the second most common cause of treatable Visual Impairment in this age group worldwide • In India about 35 million people in presbyope age group are visually impaired due to uncorrected refractive error (WHO 2004 bulletin) • Average coverage of refractive services in India is just 40-55% • This study aims to find out the prevalence in our clinic settings INTRODUCTION
  4. 4. MATERIALS & METHODS
  5. 5. MATERIALS & METHODS • Workup done by same post-graduate student • Preliminary data included age, sex • History was taken regarding: – Diminision of vision for distance, near or both – Any spetacle usage (past or present) • Complete ophthalmic examination was done including: – Distance / Near Visual Acuity – Objective Refraction & Subjective Refraction – Slit Lamp Examination – Fundoscopy
  6. 6. RESULTS 53% 47%
  7. 7. RESULTS
  8. 8. RESULTS 11% 30% 21% 17% 17% 4% Visual Acuity in Presbyopes with uncorrected refractive errors VA - 6/6 VA - 6/9 VA - 6/12 VA - 6/18 VA - 6/24 VA - 6/36
  9. 9. RESULTS
  10. 10. 70% 30% Present or past spectacle usage in presbyopes with uncorrected refractive errors Not using Spectacles Using spectacles RESULTS
  11. 11. DISCUSSION
  12. 12. LIMITATIONS OF THE STUDY • Small Sample Size • Presbyopes with amblyopia / ocular disease / surgery / trauma were not included
  13. 13. CONCLUSION • A significant population of presbyopes have uncorrected refractive errors • Complete refraction of every presbyope patient should be performed • Outreach programmes should infiltrate the refractive services into the general population • Affordable refractive services should be developed
  14. 14. 1. Robert Abel, The Eye Care Revolution: Prevent and Reverse Common Vision Problems. Kensington Books, 2004. 2. Burke AG, Patel I, Munoz B, et al. Population-based study of presbyopia in rural Tanzania. Ophthalmol. 2006;113(5):723-727 3. Duarte WR, Barros AJD, Dias-da-Costa JS, Cattan JM. Prevalence of near vision deficiency and related factors: a population-based study in Brazil [in Portuguese]. Cad Saude Publica. 2003;19(2):551-559 4. Ramke J, du Toit R, Palagyi A, Brian G, Naduvilath T. Correction of refractive error and presbyopia in Timor-Leste. Br J Ophthalmol. 2007;91(7):860-866 5. Nirmalan PK, Krishnaiah S, Shamanna BR, Rao GN, Thomas R. A population-based assessment of presbyopia in the state of Andhra Pradesh, south India: The Andhra Pradesh Eye Disease Study. Invest Ophthalmol Vis Sci 2006;47: 2324–8 6. Resnikoff S, Pascolini D, Mariotti SP, Pokharel GP. Global magnitude of visual impairment caused by uncorrected refractive errors in 2004. Bull World Health Organ 2008;86(1):63-70 7. Taylor HR. Eye care for the future: theWeisenfeld lecture. Invest Ophthalmol Vis Sci. 2003; 44(4):1413- 1418. 8. Dandona R, Dandona L. Refractive error blindness. Bull World Health Organ. 2001; 79(3):237-243. 9. Dandona L, Dandona R. What is the global burden of visual impairment? BMC Med. 2006; 4:6. 10.Dandona L, Dandona R, Srinivas M, Giridhar P, Vilas K et al. Blindness in the Indian State of Andhra Pradesh. Invest Ophthalmol Vis Sci 2001;42(5):908-916 11.The Eye Disease Prevalence Research Group. The prevalence of Refractive Errors among adults in the United States, Western Europe, and Australia. Arch Ophthalmol 2004;122:495-505 12.Patel I, West SK. Presbyopia: Prevalence, impact, and interventions. Com Eye Health J 2007;20(63);40-41 Thank You

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