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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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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: Mar 23, 2026

Full-Circle Cauterization of Limbal Vascular Plexus for Surgically Induced Glaucoma in Rodents
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[Change of Intraocular Pressure 10 Days Following Radical Prostatectomy for Prostate Cancer].

H Höh1, P E Ziem2, U Holland1

  • 1Klinik für Augenheilkunde, Dietrich-Bonhoeffer-Klinikum Neubrandenburg.

Klinische Monatsblatter Fur Augenheilkunde
|March 25, 2016
PubMed
Summary

Radical prostatectomy (RPE) significantly reduces intraocular pressure (IOP) in prostate cancer patients. This study observed a clinically relevant decrease in IOP post-RPE, suggesting a potential link to prostaglandin metabolism.

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Area of Science:

  • Ophthalmology
  • Urology
  • Oncology

Background:

  • Investigating perioperative changes in intraocular pressure (IOP) following radical prostatectomy (RPE) for prostate cancer.
  • Assessing the correlation between prostate-specific antigen (PSA) levels and IOP changes post-RPE.

Observation:

  • 25 patients undergoing RPE had IOP and PSA measured preoperatively and approximately 10 days postoperatively.
  • Data from 22 patients without glaucoma were analyzed, with 3 glaucoma patients evaluated separately.
  • Goldmann tonometry was used for IOP measurements.

Findings:

  • A statistically significant decrease in mean IOP was observed in both right (13.95 to 12.18 mmHg) and left (14.45 to 12.05 mmHg) eyes post-RPE.
  • Prostate-specific antigen (PSA) levels also showed a significant reduction.
  • No linear relationship was found between the reduction in IOP and PSA levels.

Implications:

  • The findings suggest a potential link between RPE, prostaglandin metabolism, and IOP reduction.
  • Further research is warranted to confirm the role of prostaglandins in IOP changes associated with prostate cancer and RPE.
  • Prostaglandin analogues could be explored as a future therapeutic strategy for reducing IOP.