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Evolution of central corneal thickness in children with congenital glaucoma requiring glaucoma surgery

Isabel Oberacher-Velten1, Christopher Prasser, Birgit Lorenz

  • 1Department of Paediatric Ophthalmology, Strabismology, and Ophthalmogenetics, University of Regensburg, Franz Josef Strauss Allee 11, 93053 Regensburg, Germany. Isabel.velten@klinik.uni-regensburg.de

Insights

Congenital glaucoma surgery in infants significantly reduced intraocular pressure (IOP) and central corneal thickness (CCT). Corneal ultrasound pachymetry is valuable for monitoring these changes post-surgery.

Area of Science:

  • Ophthalmology
  • Pediatric Surgery
  • Medical Imaging

Background:

  • Congenital glaucoma is a rare condition affecting infants.
  • Intraocular pressure (IOP) and central corneal thickness (CCT) are key metrics in glaucoma management.
  • Understanding the relationship between CCT and IOP is crucial for effective treatment.

Purpose of the Study:

  • To investigate the changes in central corneal thickness (CCT) after glaucoma surgery in children.
  • To correlate these CCT changes with intraocular pressure (IOP) measurements.
  • To evaluate the effectiveness of corneal ultrasound pachymetry in monitoring pediatric glaucoma patients.

Main Methods:

  • Trabeculotomy was performed on nine eyes of five infants with congenital glaucoma.
  • Corneal ultrasound pachymetry and tonometry were used to measure CCT and IOP.
  • Measurements were taken before and for at least 12 months after surgery, with sedation used when necessary.

Main Results:

  • Mean CCT decreased from 651 microm to 592 microm within two weeks post-surgery, with further regression observed.
  • Mean IOP decreased from 18.6 mmHg to 14.8 mmHg after surgery.
  • A significant correlation was found between the decrease in CCT and the decrease in IOP.

Conclusions:

  • Glaucoma surgery leads to a significant reduction in both CCT and IOP in children.
  • Corneal ultrasound pachymetry is a valuable tool for monitoring CCT changes in infants and children post-glaucoma surgery.
  • The study highlights the importance of regular follow-up using pachymetry for pediatric glaucoma management.
Abstract

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