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Clear Lens Extraction (CLE)

Refractive Lens Exchange (RLE)

Refractive Lens Exchange (RLE), also known as Clear Lens Extraction (CLE), is a surgical procedure designed to correct refractive errors in the eye, such as nearsightedness (myopia), farsightedness (hyperopia), and astigmatism. RLE involves removing the eye's natural lens and replacing it with an artificial intraocular lens (IOL) to improve vision, often with the added benefit of reducing or eliminating the need for glasses or contact lenses.

 

Preparation and Evaluation

Before undergoing RLE, the patient undergoes a thorough eye examination, which includes measurements of the eye's shape and size, corneal health, and the refractive error. These measurements help the surgeon choose the most appropriate IOL for the patient's specific needs.

After the Surgery.

Patients Recovery

  • Most patients experience minimal discomfort post-surgery, and vision improvement is usually noticed within a few days.

 

  • The eye may be a bit sensitive, and there might be some blurred vision or slight swelling for a few days, but these issues typically resolve quickly.

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The Surgery:

 

  • Anesthesia: The procedure is typically done under local anesthesia, meaning the patient is awake but the eye is numbed. Sedation may also be offered to keep the patient relaxed.
  • Incision: A tiny incision is made at the edge of the cornea (the clear front part of the eye). The incision is usually small (around 2-3mm), so it often doesn’t require stitches.
  • Removal of the Natural Lens: The surgeon uses an ultrasonic device called phacoemulsification to break up (emulsify) the natural lens and then aspirates the fragments out of the eye.
  • Inserting the Intraocular Lens (IOL): Once the natural lens is removed, an IOL is inserted into the empty lens capsule. The IOL is a clear, synthetic lens made of materials like acrylic, silicone, or hydrophobic acrylic. There are different types of IOLs: 
    • Monofocal IOLs: Correct vision at one distance (e.g., near or far).
    • Multifocal IOLs: Offer vision correction at multiple distances (near, intermediate, and far).
    • Toric IOLs: Designed to correct astigmatism in addition to nearsightedness or farsightedness.
    • Accommodating IOLs: These lenses can change shape, providing more natural focus across a range of distances, mimicking the eye’s natural accommodation (focusing ability).
  • The IOL is carefully positioned within the eye, and the tiny incision is self-sealing, typically not requiring stitches.

GLASSES Removal

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Who is a Good Candidate for RLE?

RLE is typically considered for individuals who:

  • Are over 40 years old, as this is when presbyopia (the inability to focus on near objects) begins to affect most people.
  • Have high refractive errors that are difficult to correct with traditional LASIK or other laser vision correction procedures (e.g., very high myopia or hyperopia).
  • Are seeking a permanent solution to their refractive errors and want to reduce or eliminate dependence on glasses or contact lenses.
  • Have healthy eyes, free from conditions such as untreated glaucoma or advanced cataracts (though RLE is sometimes performed on patients with cataracts).
  • Do not have other serious eye health problems.

What are the Benefits of Refractive Lens Exchange?

  1. Permanent Vision Correction: Since the natural lens is replaced with an IOL, the correction is permanent. This eliminates the need for future adjustments that may occur with glasses or contacts.

  2. Reduced Dependence on Glasses or Contacts: RLE can significantly reduce or eliminate the need for corrective eyewear, even for people who had significant refractive errors before surgery.

  3. Treats Presbyopia: Unlike LASIK, RLE can also correct presbyopia, which is a common age-related condition that affects near vision. Multifocal or accommodating IOLs can restore the ability to focus on close objects.

  4. Suitable for a Variety of Refractive Errors: RLE can address a wide range of refractive errors, including myopia, hyperopia, and astigmatism, making it a good option for people who may not be eligible for LASIK.

  5. Reduces Cataract Risk: Since the natural lens is replaced, RLE may help delay the development of cataracts, which often form as a result of aging.

What are the Risks and Complications?

While RLE is generally considered safe, as with any surgery, there are risks. These include:

  1. Infection: As with any surgical procedure, there is a risk of infection, though it is rare with modern techniques.

  2. Intraocular Pressure Changes: Some patients may experience increased intraocular pressure, which can lead to complications like glaucoma if not addressed.

  3. Intraocular Lens Displacement: Although rare, the IOL could shift out of its proper position, requiring additional surgery.

  4. Glare, Halos, and Night Vision Problems: Some people may experience visual disturbances, especially at night, particularly with multifocal or toric IOLs.

  5. Residual Refractive Error: In some cases, the desired level of vision correction may not be achieved, leading to the need for a second procedure or additional corrective measures.

  6. Cystoid Macular Edema: This is a condition where the central retina swells, causing blurred vision, and can occur after the procedure, although it is typically treatable.

What's the Cost of RLE?

The cost of RLE can vary widely depending on several factors:

  • The type of IOL selected (e.g., multifocal IOLs tend to be more expensive than monofocal lenses).
  • The surgeon’s experience and the geographic location of the procedure.
  • Additional services, such as preoperative consultations and postoperative care. On average, RLE surgery can cost between $3,000 to $5,000 per eye. This cost is often not covered by insurance, as RLE is considered a refractive procedure rather than a medically necessary one, unlike cataract surgery.

Meet Our Teams

The hospital plays a statewide services includes the Acquired

Eye Surgeon

Dr. Preeti Sharma

Cataract, Paediatric Ophthalmology & Squint

Eye Specialist

Dr. Ashwani Shrivastava

Cornea, Cataract & Refractive

Eye Doctors

Dr. S J Vikas

Uvea, Vitreous & Retina

Eye Care Service

Dr. Swati Agarwal

Eye Plasty, Aesthetics, Ocular Oncology

Call us today to book your appointment for PRK

7310-74-74-74

Move beyond Spectacles and Contact lenses and begin your healing journey with Visioncare Super Speciality Eye Hospital EVO Visian ICL treatments. You can visit our hospital to get free Counseling.

We will explain RLE options for you in more detail.

At Visioncare SSEH we make sure that your health is a top priority. Our surgeons especially Visioncare SSEH Director Dr. Shakeel Ahmad with over 18 years of surgical experience also ensure that at every step of the surgery, the patients are taken good care of, and they have all the answers to their questions. We have some of the best cataract surgeons in Western Uttar Pradesh who have numerous years of experience and have been working with us for a very long time.

Kala Motiya Treatment

Dr. Shakeel Ahmad

Cataract & Refractive Surgeon