Reference to original study: Collaborative Normal-Tension Glaucoma Study Group. The effectiveness of intraocular pressure reduction in the treatment of normal-tension glaucoma. Am J Ophthalmol. 1998;126:498–505.
The Collaborative Normal-Tension Glaucoma Study (CNTGS) showed that a 30% reduction of intraocular pressure in patients with normal tension glaucoma slowed the rate of visual field progression compared to eyes in which no effort was made to lower intraocular pressure. IOP intraocular pressure, NTG normal tension glaucoma, RCT randomised controlled trial, Sx Surgery, VF visual field.
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
The authors declare no competing interests.
Additional information
Publisher’s note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
About this article
Cite this article
Mercer, R., Mathew, R.G. & Henein, C. Infographic: Collaborative Normal-Tension Glaucoma Study (CNTGS). Eye 35, 2667–2668 (2021). https://doi.org/10.1038/s41433-021-01431-2
Received:
Revised:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1038/s41433-021-01431-2
