June 2023
Volume 64, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2023
A visual field testing method that automatically adds 10-2 test points to the 24-2 grid according to individual visual field progression
Author Affiliations & Notes
  • Andrew Turpin
    Lions Eye Institute, Nedlands, Western Australia, Australia
    Curtin University, Perth, Western Australia, Australia
  • William H Morgan
    Lions Eye Institute, Nedlands, Western Australia, Australia
    University of Western Australia, Nedlands, Western Australia, Australia
  • Allison M McKendrick
    Lions Eye Institute, Nedlands, Western Australia, Australia
    University of Western Australia, Nedlands, Western Australia, Australia
  • Footnotes
    Commercial Relationships   Andrew Turpin Johnson & Johnson Surgical Vision USA, iCare Finland Oy, Code C (Consultant/Contractor), CrewT Medical Systems Japan, Heidelberg Engineering GmBH Germany, Code F (Financial Support); William Morgan None; Allison McKendrick Johnson & Johnson Surgical Vision USA, iCare Finland Oy, Code C (Consultant/Contractor), CrewT Medical Systems Japan, Heidelberg Engineering GmBH Germany, Code F (Financial Support)
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2023, Vol.64, 5109. doi:
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to authenticated users only.
      Sign In or Create an Account ×
    • Get Citation

      Andrew Turpin, William H Morgan, Allison M McKendrick; A visual field testing method that automatically adds 10-2 test points to the 24-2 grid according to individual visual field progression. Invest. Ophthalmol. Vis. Sci. 2023;64(8):5109.

      Download citation file:


      © ARVO (1962-2015); The Authors (2016-present)

      ×
  • Supplements
Abstract

Purpose : Testing central visual fields (VF) densely with a 10-2 test pattern can locate glaucomatous damage that a sparser grid may miss. However, it is often not feasible to do both a 10-2 and 24-2 test, nor is it obvious when to switch from one to another for a given patient. Here we explore whether the published ARREST approach to VF testing (Turpin et al., TVST, 2018) can be used to automatically incorporate 10-2 locations into the 24-2 without increasing test times nor harming the ability to detect glaucomatous progression.

Methods : ARREST uses the previous VF test to choose locations to test in the current test, censoring locations < 17dB (which are screened to ensure not < 0dB), adding new locations in regions of interest (ROI) without increasing test times. Here, we set the ROI to 10-2 locations located on the steepest gradient of the previously tested VF, creating ARREST-10. New locations were added when at least one location in the central 9 degrees fell below 17dB. We compare sensitivity of ARREST-10 for detecting progression with that of a 24-2 pattern. We simulate both approaches on 12 visits of 107 eyes whose final field is known, with prior fields back calculated using the method in Turpin et al., TVST, 2018. This creates a synthetic dataset where 100% of the VF series are progressing. Progression is determined using the PoPLR method, with event-based criteria ignored in ARREST-10. Specificity is checked by simulation on the final VF repeated 5 times.

Results : Final fields had median Mean Total Deviation of -6.0 dB (95% range (-16.9, 0.2)). ARREST-10 used on average 23 less presentations on the final field than ZEST (paired t.test p < 0.001). ZEST had slightly higher sensitivity at visits 4 and 5 for matched specificities (Figure 1). 57 of the 107 eyes had no extra locations added to the 24-2 by ARREST-10, with the remainder having between 1 and 30 10-2 locations added by the 12th visit. Figure 2 shows the final locations tested for one eye.

Conclusions : Using the 10-2 as the ROI in the ARREST approach allows automatic incorporation of 10-2 locations into the 24-2 pattern customised to individuals without increasing test times.

This abstract was presented at the 2023 ARVO Annual Meeting, held in New Orleans, LA, April 23-27, 2023.

 

Fig.1: Sensitivity at each visit when specificity is 95%

Fig.1: Sensitivity at each visit when specificity is 95%

 

Fig. 2: Example tested locations for one eye. Open symbols represent locations censored at 17dB (red 24-2, blue 10-2), and closed symbols fully determined locations

Fig. 2: Example tested locations for one eye. Open symbols represent locations censored at 17dB (red 24-2, blue 10-2), and closed symbols fully determined locations

×
×

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.

×