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Comparative Analysis of 24-2C, 24-2, and 10-2 Visual Field Tests for Detecting Mild-Stage Glaucoma With Central
Euido Nishijima1, Kota Fukai2, Kei Sano1
1From the Department of Ophthalmology, The Jikei University School of Medicine (E.N., K.S., T.N., S.O., S.O., and T.N.), Nishi-Shimbashi, Tokyo, Japan.
Purpose:
This study sought to identify the most effective testing program for detecting visual-field defects in mild-stage glaucoma with central visual-field defects.
Design:
A multicenter, retrospective diagnostic testing evaluation.
Participants:
The study involved 93 eyes (83 patients) with mild-stage glaucoma (median mean deviation [interquartile range]: -1.79 [2.16] dB) with central visual-field defects and 69 eyes (63 patients; median mean deviation, -1.38 [2.31] dB) with mild-stage glaucoma without central visual-field defects, from Jikei University School of Medicine and Tajimi Iwase Eye Clinic.
Methods:
Patients underwent 10-2 Swedish Interactive Thresholding Algorithm (SITA) Standard, 24-2 SITA Standard, and 24-2C SITA Faster tests. Central visual-field defects were defined using 10-2 SITA Standard and optical coherence tomography (OCT). A detection power of 4 points in the 24-2 that coincided with 10-2 (Center4), 12 points that lie within 10° (24-2-12), and 22 points that lie within 10° of 24-2C (24-2C-22) were analyzed using receiver operating characteristic (ROC) curves based on logistic regression analysis, using total deviation (TD) and pattern deviation (PD) probability plots.
Main Outcome Measures:
Area under the receiver operating characteristic curve (AUC) of the Center4, 24-2-12, and 24-2C-22 tests.
Results:
In the upper-central visual field, AUCs of the TD plot were 0.50 (0.40-0.58) for the Center4, 0.75 (0.67-0.83) for 24-2-12, and 0.85 (0.78-0.91) for 24-2C-22, with 24-2C-22 AUC significantly exceeding 24-2-12 AUC. For the PD plot, AUCs were 0.53 (0.44-0.63), 0.81 (0.74-0.89), and 0.84 (0.77-0.90), respectively. In the lower-central visual field, using a total plot, AUCs were 0.27 (0.18-0.36), 0.57 (0.47-0.69), and 0.57 (0.46-0.68) for the Center4, 24-2-12, and 24-2C-22, respectively. Using the PD plot in the upper field, AUCs were 0.27 (0.19-0.36), 0.64 (0.53-0.75), and 0.81 (0.72-0.90), respectively, with the AUC of the 24-2C-22 significantly exceeding that of 24-2-12. The 24-2C test was significantly faster than both the 24-2 and 10-2 tests, reducing testing duration by 46% and 52%, respectively.
Conclusions:
The 24-2C SITA Faster test is highly effective and efficient for detecting mild-stage glaucoma with central visual-field defects. This, and its reduced duration, makes it a valuable tool in clinical settings.
