Healon

Healon Information

Healon is as an ophthalmosurgical aid in various anterior segment procedures, such as intra- and extra capsular cataract surgery, intraocular lens (IOL) implantation, keratoplasty, Glaucoma surgery and post-trauma surgery. It has also been used successfully as a vitreous replacement after vitrectomy and retinal detachment surgery. Healon GV is indicated for use as a surgical aid in various anterior segment procedures, such as cataract extraction, (IOL) implantation, corneal transplant surgery, glaucoma filtration and trauma surgery.

Healon Warnings

Overfilling of the anterior or posterior segment of the eye with Healon and Healon GV may cause increased intraocular pressure. Postoperative intraocular pressure may be elevated as a result of pre-existing glaucoma, compromised outflow and by operative procedures and sequelae thereto, including enzymatic zonulysis, absence of an iridectomy, trauma to filtration structures, and by blood and lenticular remnants in the anterior chamber. Since the exact role of these factors is difficult to predict in any individual case, the following precautions are recommended: -Do not overfill the eye with sodium hyaluronate. -Remove some of the sodium hyaluronate by irrigation and/or aspiration at the close of surgery . -Carefully monitor intraocular pressure, especially during the immediate postoperative period. If significant rises are observed, treat with appropriate therapy. When air is used in conjunction with sodium hyaluronate, care should be taken to avoid trapping the air behind the iris. Because sodium hyaluronate is a highly purified fraction extracted from avian tissues and is known to contain minute amounts of protein, the physician should be aware of potential risks of the type that can occur with the injection of any biological material. Physicians should be aware that the solution may contain minute rubber particles presumably formed when the diaphragm is punctured. Express a small amount of sodium hyaluronate from the syringe prior to use, and carefully examine the solution as it is injected. Sporadic reports have shown that Healon may become cloudy or form a slight precipitate following instillation into the eye. The clinical significance of the precipitate, if any, is not known since no effect on ocular tissues has been identified. Physicians should be aware of this phenomenon and, should it be observed, the cloudy or precipitated material should be removed by irrigation and/or aspiration. In vitro laboratory studies have shown opalescence of sodium hyaluronate when mixed with solutions containing quarternary ammonium compounds. Therefore, sodium hyaluronate should not be instilled through a cannula used in connection with such solutions. Consequently, reuse of cannulas should be avoided. There are no known contraindications to the use of Healon and Healon GV when used as recommended.

Healon Side effects

Healon and Healon GV have been extremely well tolerated after injection into human eyes. A transient rise of intraocular pressure postoperatively has been reported in some cases. Sometimes postoperative, inflammatory reactions (iritis, hypopyon) following the use of sodium hyaluronate, as well as incidents of corneal edema and corneal decompensation have been reported. Their relationship to sodium hyaluronate has not been established.

Healon Overdose

If overdose is suspected, contact your local poison control center or emergency room immediately.

Healon Usage guidelines

Do not use if the solution is cloudy or if rubber particles are present. Refrigerated Healon and Healon GV should be allowed to attain room temperature (approximately 30 minutes) prior to use. Store at 2 to 8°C. Protect from freezing. Protect from light

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