My grandmother took eyedrops every six hours for twenty years by night and by day to save her sight from glaucoma
. Now a major fix is coming. Glaucoma has a build up of fluid pressure inside the eye that eventually damages the optic nerve and turns you blind. Coming soon: A tiny injection twice a year slips some hydrogel between two outer layers of the eyeball and this hydrogel adjust to hold open a tiny channel that allows pressure to drain away.
The aqueous humor fix has been done in animals, not people and lasted four months, not six months yet but seems like a sure thing. Glaucoma is the main cause worldwide of irreversible blindness.
Story at medicalxpress.com/news
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