A minimally invasive procedure has shown promise in an animal study as a potential alternative to eye drops and surgery for glaucoma.
Researchers at the Georgia Institute of Technology, Atlanta, used a 1mm-long hollow needle to inject droplets of the polymer preparation, in this case a commercial hyaluronic acid (HA) hydrogel, into the suprachoroidal space (SCS) between the choroid and the sclera in rabbits. Increasing drainage via the SCS is an established way to reduce fluid pressure.
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Glaucoma is the second leading cause of irreversible sight loss in the UK and affects over one million people, which is predicted to rise by 100,000 cases to 1.145 million people by 2030*.