Trabecular meshwork ultrastructural changes in primary and secondary glaucoma
2025

Changes in Trabecular Meshwork in Glaucoma

Sample size: 36 publication Evidence: moderate

Author Information

Author(s): Rao Aparna, Rao Tirupathi, Banka Nagapriya, Senthil Sirisha, Jaketi Saumya

Primary Institution: LV Prasad Eye Institute

Hypothesis

To examine ultrastructural changes in the trabecular meshwork (TM) in patients with primary and secondary glaucoma using scanning electron microscopy (SEM).

Conclusion

The study found significant thinning of trabecular meshwork beams in glaucoma patients, particularly in the corneoscleral meshwork region.

Supporting Evidence

  • The trabecular meshwork is crucial for regulating fluid outflow in the eye.
  • Thinning of the trabecular meshwork beams was most pronounced in primary angle-closure glaucoma.
  • Distinct morphological features were observed in different types of glaucoma.

Takeaway

Doctors looked at tiny parts of the eye in people with glaucoma and found that some parts were thinner than normal, which might help explain why some people have trouble with their vision.

Methodology

This was a qualitative descriptive hospital-based study using scanning electron microscopy to analyze trabecular meshwork samples from glaucoma patients and controls.

Limitations

The study only examined the nasal region of the trabecular meshwork and did not assess differences in other regions of the eye.

Participant Demographics

The study included 26 patients with glaucoma (17 males, 9 females) aged 32 to 83 years, and 10 control samples from eye bank donors with a mean age of 65 years.

Digital Object Identifier (DOI)

10.1038/s41598-024-83834-1

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