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Related Concept Videos

Accessory Structures of the Eye01:17

Accessory Structures of the Eye

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Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
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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: Treatment01:27

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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 10, 2025

Transplantation into the Anterior Chamber of the Eye for Longitudinal, Non-invasive In vivo Imaging with Single-cell Resolution in Real-time
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Eye-Opening Effect Achieved by Modified Transconjunctival Lower Blepharoplasty.

Takayuki Kubo

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    |October 17, 2024
    PubMed
    Summary

    This study shows that a modified transconjunctival lower blepharoplasty (TCLB) significantly improves eye opening and resolves lower lid symptoms. The procedure enhances periorbital aesthetics by addressing enophthalmia and ptosis.

    Area of Science:

    • Oculoplastics
    • Periorbital Rejuvenation Surgery
    • Orbital Anatomy

    Background:

    • Enophthalmia and ptotic eyelids are common concerns in patients seeking periorbital rejuvenation.
    • Lower eyelid symptoms frequently accompany these conditions, impacting aesthetics and function.

    Purpose of the Study:

    • To evaluate the efficacy of a modified transconjunctival lower blepharoplasty (TCLB).
    • This modification includes deframing and decompression of the lower orbital fat compartment (LOFC) and its supporting structures.
    • The goal is to improve both lower and upper eyelid appearance and function.

    Main Methods:

    • Modified TCLB was performed on patients presenting with lower eyelid symptoms.
    • Palpebral fissure height (PFH) was measured preoperatively and 12 months postoperatively using 3D photography.

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  • Weight of excised LOFC fat was recorded and compared to assess fat removal.

    • Main Results:

    • Postoperative PFH showed a statistically significant increase in eye opening compared to preoperative measurements.
    • The mean improvement in PFH indicates enhanced visual aperture.
    • Significant fat removal from the lateral LOFC was observed, contributing to the aesthetic outcome.

    Conclusions:

    • The modified TCLB technique effectively increases eye-opening ability.
    • This surgical approach leads to a noticeable improvement in associated periorbital symptoms.
    • The study provides anatomical insights into the orbital dynamics influenced by this procedure.