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Soroudi Advanced Eye Center
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    Keratoconus


     

    Modern Cataract Surgery
    with Intraocular Lens Implantation (monofical or multifical)
    Adopted from Dr. Soroudi's Book: Advanced Refractive Surgery


    As part of the aging process, the crystalline lens gets cloudy, thus interfering with distance or near vision. Patients who have developed cataracts usually complain of blurred or "cloudy" vision, halos at nights, difficulty seeing images at a distance, and difficulty seeing colors clearly.

    Normal lens (top) vs. a Cataractous (opacified) lens (below)


       
    Normal lens with a clear view (left) Vs. Cataractous lens with a blurry view (right)


    There are multiple different forms of cataracts, and they each cause particular symptoms, but as long as your vision is affected by them, you are a candidate for cataract surgery.

    Nuclear Sclerotic Cataract
    (most common)
    Cortical Cataract (spoke-like) (extremely common)
       
    Posterior Sub-Capsular Cataract (very common) Dense (traumatic) Cataract
       
    Lamellar Cataract
    (usually congenital)
    Cerulean Cataract
       
     
    Polychromatic Cataract
    (very rare)
     

    Dr. Soroudi can replace your cloudy lens with a clear (artificial) implant which is also designed to correct nearsightedness or farsightedness, and he does the entire operation under TOPICAL anesthesia only (in the form of eye drops). This means, there will be no need for general sedation and no need for painful and dangerous injections to anesthetize the eye.

    Prior to your surgery, Dr. Soroudi calculates the exact power of the lens he implants in your eyes with TWO different techniques: with an accurate "A-Scan" ultrasound and with an "IOL-master" (most eye surgeons only do one of the two); Dr. Soroudi compares the data from both machines to have a perfect match every single time, which will reduce the likelihood you'll require glasses after surgery because of calculation errors.

    Dr. also corrects all of your astigmatism to provide you with the best visual outcomes. He routinely does this by performing a "limbal relaxing incision" (LRI) (see below) at the time of surgery for those with less than 2D of astigmatism, or either LASIK or PRK post-operatively in those with more than 2D of astigmatism.

    A small incision (as tiny as 2.2mm, up to 3.0mm) is made in the clear cornea using a very sharp metal or diamond blade. Another very small (1mm) incision is made in the clear cornea to allow the insertion of a small (assistant) hook in the eye to help move the lens around with the other hand.


    The anterior chamber is irrigated with 1% Lidocaine solution for pain control, and the inside of the eye is filled with a viscous ("honey-like) liquid (visco-elastic) to prevent the eye from collapsing.

    At this point, the front part of the capsule that contains the lens is gently peeled using small foreceps through the tiny 2.2-3.0mm incision (this step is called the capsulorhexis), and the lens is "mobilized" in its bag by irrigating it with a "balanced salt solution" (BSS).


    At this point, a small metal "straw" hooked up to a vacuum is inserted inside the small incision (a phaco-emulsifier). This "straw" has a vibrating (ultrasonic) tip that breaks the lens down while the vacuum "sucks" the lens particles out of the bag.


    Phacoemulsification


    Removing the lens Cortex

    Once completely removed, a small, round, clear plastic lens is inserted through the small insicion into the capsular bag by folding it in the shape of a "taco" which unfolds into a plate once inside the eye.

    Placing the intraocular lens (folded like a taco)
    in the bag through a small incision

    Traditionally the intraocular lens is monofocal or fixed-focus, which would allow you to see very clearly for distance, but with these lenses, you will require reading glasses for work close up.

    Example of a Monofocal Intraocular Lens

    How to correct your "reading" vision after Cataract Surgery
    (Adopted from Dr. Soroudi's Book: Advanced Refractive Surgery)

    In order to avoid having to use reading glasses after cataract surgery, there are two options available to you: first, you can employ "monovision," where your "dominant eye" (the one you take pictures with) would be corrected to see far, and your "non-dominant eye" would be corrected for near vision. This is a great approach for many people, but there are multiple limitations, and many people can't tolerate seeing far with one eye and close with the other; there are ways to determine if you are a good candidate for monovision BEFORE you have your operation, and you should ask Dr. Soroudi to determine if you're a candidate.

    Secondly, you can elect to have a "multi-focal lens" placed inside your eyes, so you can see at near AND at distance out of each eye independently. The latter is, by far, a better procedure and I recommend this to all my cataract patients. This way, you will NOT require glasses to see far or for near work.

    In my professional opinion, there are two lenses which are currently the best available on the market: 1) the ReTOR multifocal lens, and 2) the Crystalens Accomodating IOL (below).

    The ReSTOR® Lens (L) and magnified (R)


    The Crystalens Accomodating Intra-ocular Lens

    Both of these lenses are approved by the FDA and provide outstanding near and distance vision with each eye.

    This procedure (with either lens) is performed in an outpatient basis and should not take more than about 20 minutes. You will be able to return to your normal activities the NEXT day.

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