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Correlation Between Dynamic Contour Tonometry, Uncorrected and Corrected Goldmann Applanation Tonometry, and Stage of Glaucoma.
Wachtl Josephine, Töteberg-Harms Marc, Frimmel Sonja, Roos Malgorzata, Kniestedt Christoph
JAMA OphthalmolJun 201713 citationsCross-Sectional Study
This study found GAT often underestimates IOP compared to DCT, especially in advanced glaucoma and thin corneas. Correction formulas worsened accuracy, suggesting GAT alone is unreliable for these patients.