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  • Refractive Cataract Surgery

    Our eye works a lot like a camera. In order for us to see clearly, the light has to be focused by a lens. We are all born with a lens inside our eye that does this job for us and in early life it is crystal clear.

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    <p><a href="">&nbsp;Ophthalmologist,</a> explains what Refractive Cataract Surgery is and how it can eliminate cataracts and the need for glasses.</p>

     Ophthalmologist, explains what Refractive Cataract Surgery is and how it can eliminate cataracts and the need for glasses.

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    <p><a href="">&nbsp;Ophthalmologist,</a> discusses refractive lensectomy as an option for vision correction in some patients.</p>

     Ophthalmologist, discusses refractive lensectomy as an option for vision correction in some patients.

  • What is Refractive Cataract Surgery

    The lens in our eyes plays a crucial role in focusing light onto the retina, which is responsible for transmitting visual information to the brain. The lens is normally clear and flexible, allowing it to change shape to adjust the focus, similar to the way a camera lens works.

    However, as we age, changes can occur in the lens that lead to the development of cataracts. A cataract refers to the clouding of the lens, which can result in blurry vision and difficulty seeing clearly. Cataracts are most commonly associated with aging, but they can also develop due to other factors such as injury, certain medications, systemic diseases like diabetes, or even be present at birth (congenital cataracts).

    The clouding of the lens occurs when proteins in the lens clump together, forming opacities that interfere with the passage of light. This cloudiness disrupts the normal focusing of light onto the retina, leading to vision problems. Cataracts can develop gradually over time, and the symptoms may include blurry or hazy vision, difficulty seeing at night, sensitivity to light, glare, or a yellowing of colors.

    Fortunately, cataracts can be effectively treated through surgery. Cataract surgery involves removing the cloudy lens and replacing it with an artificial intraocular lens (IOL) to restore clear vision. It is one of the most commonly performed surgeries worldwide, and it has a high success rate in improving vision and quality of life for individuals with cataracts.

    If you suspect you have cataracts or are experiencing vision changes, it's best to consult with an ophthalmologist or an eye care professional for a proper diagnosis and treatment options tailored to your specific needs.


    Cataract surgery has indeed become one of the most commonly performed procedures worldwide and has a high degree of safety. It is typically an outpatient procedure, meaning patients can go home on the same day. The surgery involves removing the cloudy lens, or cataract, from the eye and replacing it with an artificial lens called an intraocular lens (IOL).

    During the procedure, a tiny incision is made in the eye, and the cataract is broken up using ultrasound or laser technology. The fragmented cataract is then removed, and the IOL is inserted into the same location where the natural lens was located. The IOL takes over the job of focusing light onto the retina, restoring clear vision.

    There are various types of IOLs available, each with different features and benefits. Some IOLs are designed to correct astigmatism, a common condition that causes blurred vision. These toric IOLs can help reduce or eliminate the need for glasses or contact lenses to correct astigmatism.

    Other types of IOLs can provide multifocal or extended depth of focus capabilities, allowing patients to have better vision at multiple distances. These lenses aim to reduce dependence on reading glasses or bifocals. However, it's important to note that not all IOLs are suitable for everyone, and the choice of the right IOL depends on various factors such as the patient's lifestyle, visual needs, and overall eye health.

    The decision regarding the choice of IOL is typically made through a discussion between the patient and the doctor. The doctor will assess the patient's visual needs, evaluate their eye health, and consider any pre-existing conditions or preferences. Based on this information, they can recommend the most appropriate IOL option to optimize the patient's visual outcome.

    It's important for individuals considering cataract surgery to have a thorough discussion with their eye doctor or ophthalmologist to understand the available options, potential risks, and benefits associated with different types of IOLs. This will help ensure that the chosen IOL meets their specific visual needs and expectations.

    Often seeing a local Ophthalmologists or Optometrist in conjunction with your family physician or a registered dietician is a great option to dealing with eye conditions and symptoms. Typically your vision will be somewhat blurry the day of the procedure, with return of clear vision over days or weeks. Complications of cataract surgery are fortunately very rare. Serious complications like infection or retinal detachment will occur in less than 1% of patients. Both are treatable if caught early and this is why keeping post operative appointments is important. Less serious complications such as
    swelling, a need to go back to surgery for minor adjustment or replacement of a lens, bothersome light or shadow effects can occur, but are manageable problems with existing solutions. Satisfaction rates after cataract surgery are high. It is usually a procedure that makes a positive change to your vision and your life. If you would like more information about cataracts, please don’t hesitate to reach out to your local optician or ophthalmologist. 

  • Refractive Lensectomy for Vision Correction


    Refractive lens exchange is a surgical procedure that involves the removal of the natural lens of the eye and the implantation of an artificial intraocular lens (IOL). It is similar to cataract surgery, but instead of removing a cloudy lens, the procedure is performed to correct refractive errors such as nearsightedness, farsightedness, and presbyopia.

    The procedure is typically recommended for individuals who are not suitable candidates for laser refractive surgeries like LASIK or PRK, or for those who have age-related presbyopia and want to reduce their dependence on glasses or contact lenses.

    Advancements in intraocular lens technology have made it possible to implant multifocal or accommodating IOLs during refractive lens exchange. These lenses can provide both distance and near vision, reducing the need for reading glasses or bifocals.

    Recovery from refractive lens exchange is usually similar to cataract surgery. Patients may experience blurry vision and mild discomfort immediately after the surgery, but their vision improves over time. The healing process can take several weeks, and it's important to follow the post-operative instructions provided by the surgeon.

    As with any surgery, there are risks involved. Some potential risks and complications of refractive lens exchange include infection, bleeding, retinal detachment, increased intraocular pressure, and the development of a secondary cataract. However, the risk of severe complications is generally low.

    If a secondary cataract occurs after the procedure, it can be easily treated with a YAG laser capsulotomy. This is a quick and painless procedure that clears the cloudy capsule behind the IOL, restoring clear vision.

    It's important for individuals considering refractive lens exchange or any other refractive surgery to consult with a qualified optometrist or refractive surgeon. They can assess the patient's suitability for the procedure, discuss the potential risks and benefits, and provide personalized recommendations based on the individual's specific needs and circumstances.

    While eye care professionals play a crucial role in managing eye conditions, it's also important to maintain overall health through a balanced diet and regular exercise. Consulting with a family physician or a registered dietitian can provide additional guidance on maintaining good health and supporting optimal eye function.


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