The effectiveness of early lens extraction with intraocular lens implantation for the treatment of primary angle-closure glaucoma (EAGLE): study protocol for a randomized controlled trial
2011

Early Lens Extraction for Primary Angle-Closure Glaucoma

Sample size: 400 publication Evidence: moderate

Author Information

Author(s): Azuara-Blanco Augusto, Burr Jennifer M, Cochran Claire, Ramsay Craig, Vale Luke, Foster Paul, Friedman David, Quayyum Zahidul, Lai Jimmy, Nolan Winnie, Aung Tin, Chew Paul, McPherson Gladys, McDonald Alison, Norrie John

Primary Institution: The Centre for Healthcare Randomised Trials (CHaRT), University of Aberdeen

Hypothesis

Does early lens extraction improve patient-reported outcomes, clinical outcomes, and cost-effectiveness compared to standard care for primary angle-closure glaucoma?

Conclusion

Early lens extraction may improve glaucoma control and quality of life compared to standard care.

Supporting Evidence

  • Glaucoma is the leading cause of irreversible blindness.
  • Primary angle-closure glaucoma is more likely to result in irreversible blindness than primary open-angle glaucoma.
  • By 2020, 5.3 million people worldwide will be blind due to primary angle-closure glaucoma.
  • Current standard care for primary angle-closure glaucoma has variable success rates.
  • Early lens extraction may reduce the need for medications and additional surgeries.

Takeaway

This study is looking at whether taking out the lens in the eye early can help people with a type of glaucoma called angle-closure glaucoma feel better and see better.

Methodology

A multicentre pragmatic randomized trial comparing early lens extraction with standard care in patients with newly diagnosed primary angle-closure glaucoma.

Potential Biases

Potential biases may arise from the randomization process and participant selection.

Limitations

The study may have limitations related to participant follow-up and generalizability to broader populations.

Participant Demographics

Participants are individuals aged 50 and older with newly diagnosed primary angle-closure glaucoma.

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1745-6215-12-133

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