NEWS on eye implants
Subretinal Photovoltaic Implant to Restore Vision in Geographic Atrophy Due to AMD
Geographic atrophy due to age-related macular degeneration (AMD) is the leading cause of irreversible blindness and affects more than 5 million persons worldwide. No therapies to restore vision in such persons currently exist. The photovoltaic retina implant microarray (PRIMA) system combines a subretinal photovoltaic implant and glasses that project near-infrared...
Implant reduces intraocular pressure
The US Food and Drug Administration (FDA) has approved an intraocular implant for the treatment of open-angle glaucoma or ocular hypertension. The capsule placed in the angle of the chamber continuously releases the prostaglandin analog travoprost, which improves the outflow of aqueous humor. The implantation of "iDose" frees patients from...
If a neurological remote controlled implant is no longer supported
A patient report noted that he found no further support after the withdrawal of the manufacturer of a neurostimulating implant. The device is implanted in the maxilla. He had a cluster headache that was relieved by the device. In another case, distribution of an ocular implant was discontinued because it...
Artificial Cornea Transplantation
There are approximately 4.9 million people with bilateral blindness secondary to corneal disease worldwide, accounting for 12% of total global blindness. Common causes are anterior corneal pathologies such as trachoma, infectious keratitis, ocular trauma, chemical injuries, and high prevalence in developing countries. Primary corneal transplantation (lamellar or full-thickness) has high...
Bionic eyes are now obsolete and unsupported
Second Sight left users of its retinal implants in the dark A patient reported, that her Argus retinal implant system went down and the patches of light and dark that she’d been able to see with the implant’s help vanished. She found that the company had abandoned the technology and...
Retina chip implanted
A team led by Frank Holz, director of the Department of Ophthalmology at Bonn University Hospital (UKB), has implanted a retinal chip in a patient with advanced dry age-related macular degeneration (AMD) to preserve his vision. AMD is a visual disorder that increases with age and is characterized by progressive...
Hackney man first to receive 3D-printed prosthetic eye
A hospital patient will become the first person in the world to have a 3D-printed prosthetic eye. It is hoped the eye will be more realistic than a traditional acrylic prosthetic eye. It will also cut the time it takes for patients to be fitted with their prosthetics in half,...
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