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Related Concept Videos

Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

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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.
Drugs such as carbonic anhydrase inhibitors, α2- and...
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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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Updated: Oct 13, 2025

Application of Optical Coherence Tomography to a Mouse Model of Retinopathy
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Macular Optical Coherence Tomography before Cataract Surgery.

Yousef Alizadeh1, Mitra Akbari1, Reza Soltani Moghadam1

  • 1Eye Research Center, Department of Eye, Amiralmomenin Hospital, School of Medicine, Guilan University of Medical Science, Rasht, Iran.

Journal of Current Ophthalmology
|November 12, 2021
PubMed
Summary

Preoperative spectral domain optical coherence tomography (SD-OCT) screening identified occult macular abnormalities in 5.5% of patients before cataract surgery, sometimes altering surgical plans. This highlights SD-OCT

Keywords:
Cataract surgeryOccult macular diseaseOptical coherence tomography

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Area of Science:

  • Ophthalmology
  • Medical Imaging

Background:

  • Cataract surgery is a common procedure.
  • Undiagnosed macular pathologies can affect surgical outcomes.
  • Spectral domain optical coherence tomography (SD-OCT) offers high-resolution imaging of the macula.

Purpose of the Study:

  • To evaluate the utility of preoperative SD-OCT in detecting occult macular pathologies in patients undergoing routine cataract surgery.
  • To determine the impact of these findings on surgical planning.

Main Methods:

  • A cross-sectional study involving macular SD-OCT scans of patients scheduled for cataract surgery with no clinically evident macular abnormalities.
  • Retinal specialist review of all SD-OCT scans.
  • Cataract severity assessment using the Oxford Clinical Cataract Classification and Grading System.

Main Results:

  • Occult macular abnormalities were detected in 5.52% of 598 patients.
  • The most common findings included idiopathic epiretinal membrane (51.52%), vitreomacular traction (27.27%), and dry age-related macular degeneration (12.12%).
  • Surgical plans were altered in 0.83% of cases. Age >70, smoking, and hypertension were associated with occult lesions.

Conclusions:

  • Preoperative SD-OCT is valuable for identifying occult macular lesions before cataract surgery.
  • Routine preoperative SD-OCT can reveal significant macular pathologies in approximately 5% of patients, potentially influencing surgical decisions.