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Related Concept Videos

Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
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Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
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Related Experiment Video

Updated: Jun 23, 2026

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
12:22

Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

Published on: August 4, 2018

Adaptive optics scanning laser ophthalmoscopy.

Austin Roorda, Fernando Romero-Borja, William Donnelly Iii

    Optics Express
    |May 14, 2009
    PubMed
    Summary

    This study introduces the first adaptive optics scanning laser ophthalmoscope for precise eye aberration correction. This breakthrough allows in vivo imaging of retinal structures and blood flow with unprecedented resolution.

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    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
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    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

    Published on: January 15, 2013

    Related Experiment Videos

    Last Updated: Jun 23, 2026

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography
    11:21

    Integrated Photoacoustic Ophthalmoscopy and Spectral-domain Optical Coherence Tomography

    Published on: January 15, 2013

    Area of Science:

    • Ophthalmology
    • Biomedical Optics
    • Medical Imaging

    Background:

    • High-order aberrations limit the resolution of conventional ophthalmic imaging.
    • In vivo visualization of retinal microstructures and cellular dynamics is crucial for understanding ocular health and disease.

    Purpose of the Study:

    • To develop and present the first adaptive optics scanning laser ophthalmoscope (AO-SLO).
    • To demonstrate the capability of AO-SLO in correcting high-order ocular aberrations.
    • To showcase enhanced in vivo imaging of retinal tissues and vasculature.

    Main Methods:

    • Utilized adaptive optics technology integrated into a scanning laser ophthalmoscope.
    • Measured and corrected high-order aberrations of the human eye.
    • Employed the instrument for in vivo imaging of retinal structures.

    Main Results:

    • Achieved significant increases in both lateral and axial resolution.
    • Enabled axial sectioning of retinal tissue.
    • Successfully visualized individual photoreceptors, nerve fibers, and white blood cell flow in capillaries.

    Conclusions:

    • Adaptive optics scanning laser ophthalmoscopy represents a significant advancement in ophthalmic imaging.
    • The developed AO-SLO provides unprecedented resolution for in vivo retinal analysis.
    • This technology facilitates detailed visualization of retinal cellular components and microcirculation.