Prokera®: Bandage Contact Lenses Derived From The Placenta

Prokera®: Bandage Contact Lenses Derived From The Placenta


What is PROKERA®?

PROKERA® is a contact lens used to heal, protect and repair injured surfaces of the eye. It is made with amniotic membrane tissue rich in growth factors from extensively screened donors. Once applied to the injured eye surface, it heals that area in a remarkable rate. It is FDA approved for wound healing, anti-scarring, anti-inflammation and anti-angiogenesis (1).

Why use PROKERA®?

PROKERA® regenerates the damaged tissues which results in healing, inflammation regulation, and prevention of scar formation. The primary component of the lens called “HC-HA/PTX3 Complex” or Heavy Chain-Hyaluronan/Pentraxin 3 is known to promote the healing process (1). During normal body healing, inflammation is part of the repair process as long as it is controlled. If complications during inflammation occur, it can stop healing or cause scarring. If this occurs in the eye, patients can lose their vision. PROKERA® prevents scarring and promotes proper regeneration of tissues.

What is amniotic membrane tissue?

The amniotic membrane is a section of the placenta that is near to the fetus. It acts as a barrier and protection during development in the womb.

Where does the amniotic membrane come from?

The placenta is donated by mothers who are screened extensively for any medical history of infections, neurological, malignant, auto-immune and transmissible diseases.These mothers are only considered suitable to donate after an elective Cesarean Section Delivery and were screened to live a healthy lifestyle.

How is PROKERA® preserved and stored?

PROKERA® is preserved at very low temperatures (-80 Celcius), but at the same time prevented to form ice crystals(1). Because it is prepared cryogenically, it preserves the structure and integrity of the amniotic membrane. It is shipped and packaged in an insulated container to keep it at optimum temperature.

How is PROKERA® inserted?

PROKERA® is inserted like a rigid contact lens. Thus, it does not require surgery. It is left in place for about 7-3 days depending on the severity of the injury or the rate of healing.

Is there anyone that should not use PROKERA®?

PROKERA® should not be used in eyes with glaucoma drainage devices or a filtering bleb. Furthermore, it should not be used on patients with Ciprofloxacin or Amphotericin B allergy.
For more information, book an appointment with one of our doctors who perform the procedure at Health First Optometry or Sunridge Vision Centre.

References:

(1) Reduce Inflammation & Promote Quality Healing. (n.d.). Retrieved from : https://www.biotissue.com/products/prokera.aspx

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