Revolutionary delivery of glaucoma medication developed  Canadian Health Expert

Revolutionary delivery of glaucoma medication developed Canadian Health Expert

Revolutionary delivery of glaucoma medication developed

Scientists working in Massachusetts have developed a contact lens that will be able to control and deliver medication for glaucoma directly into the eye.

The contact lens has been designed to work for a month.  It is believed that this type of delivery will be able to replace eye drops.  The results of the study have been published in the medical journal Biometrics.  The lens gives a quick burst of the drug, then provides a slow release for a period of one month.  It is also hoped that medications for other conditions could be delivered this way.

Eye drops are considered by scientists to be a very inefficient way of treating the condition.  In the US, around 2.2 million people have been diagnosed with the condition and this is estimated to more than triple by 2050.

Glaucoma is a condition where there is damage to the optic nerve and this leads to loss of vision.  It is one of the most common causes of blindness and there is no cure for it, although the use of medication can arrest it.

One of the most common medications for glaucoma is Latanoprost and this is usually prescribed as eye drops.  The new lenses are standard lenses with the addition of a polymer film that contains the drug.  The study results show that if the lenses are used for a month, there are higher levels of the medication in the aqueous humor of the eye when compared to eye drops.  The addition of the drug to the lens is done at the sides so that the user can still see through the center.

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