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Updated: Mar 6, 2026

A Laser-induced Mouse Model of Chronic Ocular Hypertension to Characterize Visual Defects
Published on: August 14, 2013
Development of a laser controlled device to modulate intraocular pressure.
Jeffrey L Olson1,2, Ramanath Bhandari1,2,3, Sergio Groman-Lupa1
1a University of Colorado School of Medicine, Department of Ophthalmology , Rocky Mountain Lions Eye Institute , Aurora , CO , USA.
A novel glaucoma drainage device regulator (GDDR) offers precise, non-invasive flow control after glaucoma surgery. This implantable device aims to improve surgical outcomes and patient management by allowing adjustable fluid dynamics.
Area of Science:
- Ophthalmology
- Biomedical Engineering
Background:
- Trabeculectomy is the standard glaucoma surgery.
- Glaucoma drainage devices offer an alternative but lack flow control.
- Current surgical methods present difficulties in managing intraocular pressure.
Purpose of the Study:
- To describe a novel implantable glaucoma drainage device regulator (GDDR).
- To address the limitations of current glaucoma drainage devices regarding flow rate control.
- To present a device for precise, non-invasive adjustment of fluid flow post-glaucoma surgery.
Main Methods:
- A literature search was conducted using MEDLINE and references (2000-2015).
- The study describes a prototyped implantable device with a semipermeable membrane.
- The device is designed to be adjusted non-invasively using thermal or photodisruptive laser.
Main Results:
- The developed glaucoma drainage device regulator (GDDR) has undergone initial testing.
- The device allows for precise, non-invasive adjustment of flow rate post-operatively.
- The GDDR has the potential to decrease surgical risk in glaucoma patients.
Conclusions:
- The GDDR offers a promising solution for managing fluid dynamics in glaucoma surgery.
- Non-invasive, post-operative adjustment of flow rate is achievable with the GDDR.
- Further research is planned to confirm the device's biocompatibility, efficacy, and tunability.
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