Ludwig Galambos

Biomimetic scaffolds mimic human subretinal debris for preclinical testing of prosthetic vision

This paper develops biomimetic scaffolds to mimic human subretinal debris in animal models, improving the accuracy of preclinical testing for subretinal prostheses.

Electrodeposited Biocompatible Coatings for 3D Electrodes on Retinal Prostheses

The paper develops biocompatible coatings for 3D electrodes on retinal prostheses using electrodeposition and photolithography to protect gold surfaces while preserving functionality.

Eye-tracked Maxwellian illumination system for power-efficient retinal stimulation

The paper presents a retinal stimulation system using eye tracking and a VCSEL array to achieve high optical efficiency and a wide field of view.

Titanium and platinum coatings reduce inflammation induced by gold on subretinal prosthesis

This study shows that gold coatings on subretinal implants cause retinal inflammation and neuronal loss, while platinum and titanium coatings reduce these effects, enabling better visual resolution implants.

Amorphous silicon resistors enable smaller pixels in photovoltaic retinal prosthesis

The paper develops doped amorphous silicon resistors for photovoltaic retinal implants, enabling smaller pixel sizes and improved electric field contrast without reducing photoresponsivity.

Enhancing Prosthetic Vision by Upgrade of a Subretinal Photovoltaic Implant in situ

This study upgrades a subretinal photovoltaic implant in rats, improving visual acuity from 100m to 28m pixels.

3D electronic implants in subretinal space: long-term follow-up in rodents

This study evaluates long-term biocompatibility and performance of 3D honeycomb-shaped subretinal implants in rats, showing improved stimulation thresholds compared to flat designs.

Three-dimensional electro-neural interfaces electroplated on subretinal prostheses

This paper develops 3D electroplated structures for subretinal prostheses to improve electric field penetration and stimulation efficiency in retinal implants.

Cellular integration with a subretinal honeycomb-shaped prosthesis

The paper demonstrates that retinal neurons migrate into honeycomb-shaped wells of a subretinal prosthesis, enabling selective stimulation of second-order neurons without affecting electrical excitability or causing additional glial stress.