Fig 1.
Arrangement of measurement point in IMOvifa™ 24plus (1-2).
The 24plus (1-2) adds 24 measurement points symmetrically within the central 10 degrees to the 24-2 grid.
Fig 2.
Visual field divided within the central 10 degrees into four sectors based on the Nakanishi Map for HFA 10-2, IMOvifa™ 24plus (1-2), and HFA 24-2.
The visual fields divide so that Sector 1 is superior parafoveal scotoma area, Sector 2 is superior cecocentral scotoma area, Sector 3 is overlapping superior and inferior hemifields, including the cecocentral scotoma area, Sector 4 is inferior parafoveal scotoma area.
Table 1.
Clinical characteristics of the participants.
Table 2.
Evaluation of the ability to detect visual field defects within the central 10 degrees in HFA 24-2 and IMOvifa™ 24Plus (1-2).
Fig 3.
Example of a case with residual visual function within the central 10 degrees.
(A) shows that HFA 24-2 showed a sensitivity of 0 dB for all measurement points in Sector 1. (B) shows that HFA 10-2 detected residual visual fields in the more central area of Sector 1. (C) shows that IMOvifa™ 24plus (1-2) similarly showed residual visual function.