GLAUCOMA SURGERY

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    Introduction

    What is glaucoma?

    Glaucoma is the term given to a group of eye conditions characterised by damage to the optic nerve
    (the nerve responsible for sending visual messages to the brain). Primary open-angle glaucoma is the
    most common form of glaucoma. This occurs when fluid in the eye cannot drain away properly,
    leading to an increase in pressure within the eye (intraocular pressure) that damages the optic
    nerve. As damage to the optic nerve results in a gradual loss of visual field, the intraocular pressure
    needs to be kept under control.

    What is the treatment for glaucoma?

    Treatment for glaucoma includes medication in the form of eye drops, as well as laser treatment and
    surgical intervention.

    What is an aqueous shunt?

    An aqueous shunt is a small, tube -like drainage device, used to control intraocular pressure. It
    creates an escape tunnel for excess fluid to drain from inside the eye into a small blister, or filtering
    bleb located behind the upper eyelid. From there, the fluid is slowly absorbed into the bloodstream.
    An aqueous shunt is designed to stay in the eye permanently, to help to keep the intraocular
    pressure well controlled.

    Well and aqueous shunt implantation improve existing vision problems?

    Unfortunately, any damage to the optic nerve caused by glaucoma is likely to be permanent and
    therefore the aqueous shunt will not help with any existing visual problems. By decreasing
    intraocular pressure however, a shunt can help to prevent further loss of vision.

    What are the benefits of an aqueous shunt device?

    By draining away excess fluid from inside the eye, and aqueous shunt will help to relieve pressure
    and prevent any further damage to the optic nerve. When compared to more traditional glaucoma
    filtering operations, implantation of an aqueous shunt may result in fewer post-operative
    complications that require any extra surgical intervention.

    How is an aqueous shunt implanted?

    The tube is inserted into the anterior chamber (the eye space in front of the Iris). The rest of the
    tube is tucked away under the protective membrane (the conjunctiva) that surrounds the eye. This
    creates a small escape tunnel allowing the excess fluid to drain away into the space under the
    conjunctiva to form a filtering bleb. The conjunctiva is then securely closed with small stitches. The
    procedure can be performed under local anaesthesia or under general anaesthesia. It is less invasive
    than traditional glaucoma operations and has a shorter operating time.

    How long does it take to recover after having an aqueous shunt implanted?

    The operation is usually performed on a day case basis. Although it can take approximately 2-3
    months for the eye to feel completely normal again, it will usually take 2-3 weeks to return to a daily
    routine. Eyedrops are prescribed post-operative lead to help the recovery process.

    Our glaucoma medicines still required after surgery?

    For many patients undergoing implantation surgery glaucoma medicines are no longer required but
    this is not the case for everyone. It may be necessary to continue taking glaucoma drops but the
    drop in the dosage may be different.

    Is it possible for the aqueous shunt to be rejected cause an allergic/adverse reaction?

    A temporary blurring of vision is expected in the first 2-3 weeks after surgery but this should
    gradually resolve. Sometimes a change of spectacle lenses required. Redness and swelling of the eye
    are to be expected in the first few days after the operation but if redness of the eye increases or pain
    persists, this must be reported to the surgeon. While it is very unlikely that a patient will experience
    a more serious side effect, such as an allergic reaction or rejection of the device, visual problems,
    headaches or pain/discomfort must be reported to the surgeon without delay.

    What is the PRESERFLO TM MicroShunt?

    This aqueous shunt is made of a soft, flexible biomaterial that conforms to the curvature of the eye.
    The biomaterial does not cause an adverse immune response within the eye. It is less than 1 mm
    thick and with a winged design.

    Specialist Treatment

    Contact us now to find out how we can help you with your eye, eyelid, facial or skincare needs. You will find our website contains a great deal of helpful information about what we do. We welcome email enquiries.

    Opening Hours

    Monday – Friday: 8:00-18.00

    Saturday: CLOSED

    Sunday: CLOSED

     

    Get in touch

    2 Gibwood Road
    Northenden, Manchester
    M22 4BT

    Tel: 0161 947 2720
    Email: enquiries@faceandeye.co.uk

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