Searchlight Logo
special_image

    • News
      • Front Page
      • News
      • Breaking News
      • Press Release
      • Features
      • Special Features
      • From the Courts
      • Sports
      • Regional / World
    • Opinions
      • Editorial
      • Our Readers’ Opinions
      • Bassy – Love Vine
      • Dr. Fraser- Point of View
      • R. Rose – Eye of the Needle
      • On Target
      • Dr Jozelle Miller
      • The World Around Us
      • Random Thoughts
    • Advice
      • Kitchen Corner
      • What’s on Fleek this week
      • Health Wise
      • Physician’s Weekly
      • Business Buzz
      • Hey Rosie!
      • Prime the pump
    • ePaper
    • Obituaries
      • In Memoriam / Acknowledgement
      • Tribute
    • Contact Us
      • Advertise With Us
      • Letters To The Editor
      • General Contact Information
      • Contact our Webmaster
    • About Us
      • Interactive Media Ltd
      • St. Vincent & the Grenadines
    • Subscribe
    • News
      • Front Page
      • News
      • Breaking News
      • Press Release
      • Features
      • Special Features
      • From the Courts
      • Sports
      • Regional / World
    • Opinions
      • Editorial
      • Our Readers’ Opinions
      • Bassy – Love Vine
      • Dr. Fraser- Point of View
      • R. Rose – Eye of the Needle
      • On Target
      • Dr Jozelle Miller
      • The World Around Us
      • Random Thoughts
    • Advice
      • Kitchen Corner
      • What’s on Fleek this week
      • Health Wise
      • Physician’s Weekly
      • Business Buzz
      • Hey Rosie!
      • Prime the pump
    • ePaper
    • Obituaries
      • In Memoriam / Acknowledgement
      • Tribute
    • Contact Us
      • Advertise With Us
      • Letters To The Editor
      • General Contact Information
      • Contact our Webmaster
    • About Us
      • Interactive Media Ltd
      • St. Vincent & the Grenadines
    • Subscribe
Eye Matters
November 12, 2013

How are cataracts diagnosed?

Last week, we spoke about cataracts and their formation. The next obvious question is:

How are cataracts diagnosed?

A cataract is not readily visible because it is inside the eye. This clouding of the lens inside the eye is mostly diagnosed during a comprehensive eye examination. Several specialized instruments are used to determine the type, location and size of the cataract.{{more}} Most of these instruments allow thorough inspection of the inside of the eye. The pupil is usually dilated for better visibility of the lens. The primary instruments used are a slit lamp and a direct or indirect ophthalmoscope.

Once the cataract is diagnosed, other tests such as glare testing, contrast sensitivity can be used to determine the degree of vision interference caused by the cataract. A test called potential acuity measurement (PAM) can be used to determine how much vision might be obtained after surgery.

An ultrasound test, called the A-scan, is used to determine the power of the lens implant and the length of the eye. Depending on individual circumstances, other tests such as an endothelial cell count may be performed to further determine if the visual outcome after surgery is performed would be good.

This brings us to the treatment of cataracts:

Cataracts cannot be removed by the use of certain medications, a change in diet or eye drops. The only way to restore one’s vision is to surgically remove, the cloudy cataract. Once the cloudy offending lens has been removed an artificial lens (IOL) is implanted into the eye. This lens provides clear vision for the patient.

Intraocular lens implant

So, when should cataract surgery be ideally performed?

Many years ago, doctors used to tell their patients to wait for the cataract to get “ripe” before surgery can be performed. This is no longer the case. The development of a cataract does not mean one has to have surgery immediately. When loss of vision starts to interfere with one’s daily activities, then is when a cataract should be removed.

97% of cataract surgeries are now performed as outpatient surgery. Before the procedure, the eye is numbed with an anesthetic. Some patients are given medication to help them relax and keep them comfortable during the procedure. Most patients can go home practically immediately after the procedure. Most are given pain medication, although it is not always necessary for some.

Next week, we’ll discuss the results that can be expected after cataract surgery. We’ll also discuss some advanced techniques.

Dr Kenneth Onu is a resident Consultant Ophthalmologist at the Beachmont Eye Institute/Eyes R Us Send questions to: Beachmont@gmail.com

Tel: 784 456-1210

  • FacebookComments
  • ALSO IN THE NEWS
    Villa woman in  hospital after being stabbed over 20 times
    Front Page
    Villa woman in hospital after being stabbed over 20 times
    Webmaster 
    September 9, 2025
    Police are said to be carrying out investigations into the stabbing of Rafia Sardine, a 20-year-old female of Villa. Reports are that Sardine, a FLOW ...
    RSVGPF most hacked of gov’t agencies
    Front Page
    RSVGPF most hacked of gov’t agencies
    Webmaster 
    September 9, 2025
    In St Vincent and the Grenadines (SVG), an analysis has found that the most hacked government entity was the Royal St Vincent and the Grenadines Polic...
    Event staged locally to mark Africa/ Caricom Day
    Front Page
    Event staged locally to mark Africa/ Caricom Day
    Webmaster 
    September 9, 2025
    Leaders of Governments and institutions from countries of the Caribbean Community (CARICOM), and the continent of Africa, gathered at the weekend for ...
    PM, proud of his constituents
    Front Page
    PM, proud of his constituents
    Webmaster 
    September 9, 2025
    Prime Minister, Dr Ralph Gonsalves, is proud of the persons in his constituency who continue to aim for higher education. Dr Gonsalves is the parliame...
    Van conductor to be sentenced for beating pregnant ex-girlfriend
    Front Page
    Van conductor to be sentenced for beating pregnant ex-girlfriend
    Webmaster 
    September 9, 2025
    A van conductor, who beat his five- months pregnant ex-girlfriend after she refused to get back with him, has been remanded pending sentencing. Onez J...
    King selected again for the ULP in West St George
    News
    King selected again for the ULP in West St George
    Webmaster 
    September 9, 2025
    To the haunting timeless reggae melody of Jimmy Cliff’s classic ‘Journey’, Curtis King, who was selected as the candidate for the Unity Labour Party (...
    News
    King selected again for the ULP in West St George
    News
    King selected again for the ULP in West St George
    Webmaster 
    September 9, 2025
    To the haunting timeless reggae melody of Jimmy Cliff’s classic ‘Journey’, Curtis King, who was selected as the candidate for the Unity Labour Party (...
    Steel wielding Lowman’s Hill man to be sentenced tomorrow
    From the Courts, News
    Steel wielding Lowman’s Hill man to be sentenced tomorrow
    Webmaster 
    September 9, 2025
    A Lowman’s Hill man who struck another villager in his head with a piece of steel will know his fate tomorrow, September 10, 2025. Kevin Roberts, 25, ...
    Minister of Information Technology  emphasises the importance of Cybersecurity
    News
    Minister of Information Technology emphasises the importance of Cybersecurity
    Webmaster 
    September 5, 2025
    Robust cybersecurity must be at the heart of the digital transformation that is currently taking place in St Vincent and the Grenadines (SVG) says Min...
    Entities team up to boost disaster communication capacity
    News
    Entities team up to boost disaster communication capacity
    Webmaster 
    September 5, 2025
    The Climate Change Resilience Network (CCRN) in collaboration with the Youlou Radio Movement (YRM) recently embarked on a disaster preparedness initia...
    Ministry of Health to get more dialysis machines
    News
    Ministry of Health to get more dialysis machines
    Webmaster 
    September 5, 2025
    The Ministry of Health, Wellness and the Environment, is to obtain three more Heamodialysis machines as part of the revolution in the healthcare secto...

    E-EDITION
    ePaper
    google_play
    app_store
    Subscribe Now
    • Interactive Media Ltd. • P.O. Box 152 • Kingstown • St. Vincent and the Grenadines • Phone: 784-456-1558 © Copyright Interactive Media Ltd.. All rights reserved.
    We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.Ok