cataract
CATARACT
Cataract is the presence of opacity in the crystalline lens of the eye. It causes painless, progressive blurring of vision.
It is the leading cause of blindness worldwide and the most prevalent ocular disease.
The initiating events that lead to loss of transparency of both the cortical and nuclear lens tissue is the oxidation of the membrane lipids, structural or enzymatic proteins or DNA by peroxidases or free radicals induced by UV light.
  1. Canadian Ophthalmological Society. Canadian Ophthalmological Society evidence-based clinical practice guidelines for cataract surgery in the adult eye. Can J Ophthamol. 2008 Oct;43(Suppl 1):S7-S57. doi: 10.1139/i08-133. PMID: 19177161
  2. Schein O, Katz J, Bass E, et al. The value of routine preoperative medical testing before cataract surgery. Study of Medical Testing for Cataract Surgery. N Engl J Med. 2000 Jan;342(3):168-175. PMID: 10639542
  3. Wevill M. Epidemiology, pathophysiology, causes, morphology, and visual effects of cataract. In: Yanoff M, Duker JS, et al. Ophthalmology. 3rd ed. Maryland Heights, MO: Mosby, Elsevier; 2009
  4. Arshinoff SA, Opalinski YAV. The pharmacotherapy of cataract surgery. In: Yanoff M, Duker JS, et al. Ophthalmology. 3rd ed. Maryland Heights, MO: Mosby, Elsevier; 2009
  5. Philippine Academy of Ophthalmology. Clinical practice guideline for the management of cataract among adults. http://www.pao.org.ph/PDF/pao-member/personal-announcements/clinical%20practice%20guideline%20for%20cataract.pdf. 2001
  6. The Royal College of Ophthalmologists. Cataract surgery guidelines September 2010. www.rcophth.ac.uk/core/core_picker/download.asp?id=544. Sep 2010
  7. Jacobs D. Cataract in adults. UpToDate. http://www.uptodate.com/contents/cataract-in-adults?source=search_result&search=Jacobs++++D%09+Cataract+in++adults&selectedTitle=2~150. Mar 2012. Accessed 14 May 2012
  8. Ocampo VVD Jr. Senile cataract. eMedicine. http://emedicine.medscape.com/article/1210914-overview. Mar 2012. Accessed 03 Jun 2012
  9. American Academy of Ophthalmology Cataract and Anterior Segment Panel. Preferred practice pattern guidelines. Cataract in the adult eye. San Francisco, CA: American Academy of Ophthalmology. American Academy of Ophthalmology. http://search.yahoo.com/r/_ylt=A0SO8wUjk55S9VIA2a9XNyoA;_ylu=X3oDMTEzZDI5ZGo0BHNlYwNzcgRwb3MDMwRjb2xvA2dxMQR2dGlkA1NNRTMyMF8x/SIG=12qnohgqd/EXP=1386152867/**http%3a//one.aao.org/asset.axd%3fid=8d66318f-ff50-408e-9bb1-73d277cf14ce. 2011
  10. American Optometric Association. Optometric clinical practice guideline. Care of the adult patient with cataract. http://www.aoa.org/documents/CPG-8.pdf. 2004
Editor's Recommendations
Most Read Articles
2 days ago
The use of capsule endoscopy (CE) appears to be effective in the diagnosis of iron deficiency anaemia (IDA), yielding a 33.9-percent yield in this study, with 65.8 percent of patients undergoing further workup and 12.7 percent requiring therapeutic intervention.
17 May 2020
Increased coffee consumption among regular drinkers is associated with higher estimated glomerular filtration rate and confers protection against the risk of chronic kidney disease stages G3–G5 and albuminuria, as shown in a study.
Jairia Dela Cruz, 16 May 2020
Excess weight, greater abdominal fat, inflammation and low physical performance can all contribute to insulin resistance in middle-age Singaporean women, and these variables explain why the condition is more common among women of Chinese than Malay and Indian ethnicities, a study has found.
6 days ago
A novel telemedicine-based cognitive-behavioural intervention may help manage body image disturbances in survivors of head and neck cancer (HNC), a new study reveals.